{"id":19121,"date":"2021-12-17T11:57:34","date_gmt":"2021-12-17T04:57:34","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=19121"},"modified":"2021-12-17T12:00:12","modified_gmt":"2021-12-17T05:00:12","slug":"menh-de","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/menh-de\/","title":{"rendered":"M\u1ec6NH \u0110\u1ec0"},"content":{"rendered":"<p><strong>I \u2013 LY\u0301 THUY\u00ca\u0301T<\/strong><\/p>\n<p><strong>1. M\u00ea\u0323nh \u0111\u00ea\u0300<\/strong><\/p>\n<p>&#8211; M\u00ea\u0323nh \u0111\u00ea\u0300 la\u0300 m\u00f4\u0323t c\u00e2u kh\u1eb3ng \u0111\u1ecbnh \u0111\u00fang ho\u1eb7c m\u1ed9t c\u00e2u kh\u1eb3ng \u0111\u1ecbnh sai.<\/p>\n<p>&#8211; M\u1ed9t m\u1ec7nh \u0111\u1ec1 kh\u00f4ng th\u1ec3 v\u1eeba \u0111\u00fang, v\u1eeba sai.<\/p>\n<p><strong>2. Ph\u1ee7 \u0111\u1ecbnh c\u1ee7a m\u1ed9t m\u1ec7nh \u0111\u1ec1<\/strong><\/p>\n<p>&#8211; K\u00ed hi\u1ec7u m\u1ec7nh \u0111\u1ec1 ph\u1ee7 \u0111\u1ecbnh c\u1ee7a m\u1ec7nh \u0111\u1ec1 <img decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19122\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_256-3.png\" alt=\"IMG_256\" \/> l\u00e0 <img decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19123\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_257-3.png\" alt=\"IMG_257\" \/> .<\/p>\n<p>+ <img decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19124\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_258-3.png\" alt=\"IMG_258\" \/> \u0111\u00fang khi <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19125\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_259-3.png\" alt=\"IMG_259\" \/> sai.<\/p>\n<p>+ <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19126\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_260-3.png\" alt=\"IMG_260\" \/> sai khi <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19127\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_261-1.png\" alt=\"IMG_261\" \/> \u0111\u00fang.<\/p>\n<p><strong>3. M\u1ec7nh \u0111\u1ec1 k\u00e9o theo<\/strong><\/p>\n<p>&#8211; M\u1ec7nh \u0111\u1ec1 \u201cN\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19128\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_262-2.png\" alt=\"IMG_262\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19129\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_263-2.png\" alt=\"IMG_263\" \/> \u201d \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ec7nh \u0111\u1ec1 k\u00e9o theo, k\u00ed hi\u1ec7u <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"27\" class=\"wp-image-19130\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_264-2.png\" alt=\"IMG_264\" \/><\/p>\n<p>&#8211; M\u1ec7nh \u0111\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19131\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_265-2.png\" alt=\"IMG_265\" \/> c\u00f2n \u0111\u01b0\u1ee3c ph\u00e1t bi\u1ec3u l\u00e0 \u201c <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19132\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_266-2.png\" alt=\"IMG_266\" \/> k\u00e9o theo <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19133\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_267-2.png\" alt=\"IMG_267\" \/> \u201d ho\u1eb7c \u201cT\u1eeb <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19134\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_268-2.png\" alt=\"IMG_268\" \/> suy ra <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19135\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_269-2.png\" alt=\"IMG_269\" \/> \u201d<\/p>\n<p>&#8211; M\u1ec7nh \u0111\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19136\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_270-1.png\" alt=\"IMG_270\" \/> ch\u1ec9 sai khi <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19137\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_271-2.png\" alt=\"IMG_271\" \/> \u0111\u00fang <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19138\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_272-2.png\" alt=\"IMG_272\" \/> sai.<\/p>\n<p>&#8211; Ta ch\u1ec9 x\u00e9t t\u00ednh \u0111\u00fang sai c\u1ee7a m\u1ec7nh \u0111\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19139\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_273-2.png\" alt=\"IMG_273\" \/> khi <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19140\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_274-2.png\" alt=\"IMG_274\" \/> \u0111\u00fang. Khi \u0111\u00f3, n\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19141\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_275-2.png\" alt=\"IMG_275\" \/> \u0111\u00fang th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19142\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_276-2.png\" alt=\"IMG_276\" \/> \u0111\u00fang, n\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19143\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_277-2.png\" alt=\"IMG_277\" \/> sai th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19144\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_278-2.png\" alt=\"IMG_278\" \/> sai.<\/p>\n<p>&#8211; C\u00e1c \u0111\u1ecbnh l\u00ed to\u00e1n h\u1ecdc l\u00e0 nh\u1eefng m\u1ec7nh \u0111\u1ec1 \u0111\u00fang v\u00e0 c\u00f3 d\u1ea1ng <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"27\" class=\"wp-image-19145\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_279-1.png\" alt=\"IMG_279\" \/> Khi \u0111\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19146\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_280-2.png\" alt=\"IMG_280\" \/> l\u00e0 gi\u1ea3 thi\u1ebft, <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19147\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_281-2.png\" alt=\"IMG_281\" \/> l\u00e0 k\u1ebft lu\u1eadn c\u1ee7a \u0111\u1ecbnh l\u00ed ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19148\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_282-2.png\" alt=\"IMG_282\" \/> l\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ee7 \u0111\u1ec3 c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19149\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_283-2.png\" alt=\"IMG_283\" \/> ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19150\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_284-2.png\" alt=\"IMG_284\" \/> l\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"23\" class=\"wp-image-19151\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_285-2.png\" alt=\"IMG_285\" \/><\/p>\n<p><strong>4. M\u1ec7nh \u0111\u1ec1 \u0111\u1ea3o \u2013 Hai m\u1ec7nh \u0111\u1ec1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/strong><\/p>\n<p>&#8211; M\u1ec7nh \u0111\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19152\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_286-2.png\" alt=\"IMG_286\" \/> \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ec7nh \u0111\u1ec1 \u0111\u1ea3o c\u1ee7a m\u1ec7nh \u0111\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"27\" class=\"wp-image-19153\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_287-2.png\" alt=\"IMG_287\" \/><\/p>\n<p>&#8211; M\u1ec7nh \u0111\u1ec1 \u0111\u1ea3o c\u1ee7a m\u1ed9t m\u1ec7nh \u0111\u1ec1 \u0111\u00fang kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 \u0111\u00fang.<\/p>\n<p>&#8211; N\u1ebfu c\u1ea3 hai m\u1ec7nh \u0111\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19154\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_288-2.png\" alt=\"IMG_288\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"27\" class=\"wp-image-19155\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_289-3.png\" alt=\"IMG_289\" \/> \u0111\u1ec1u \u0111\u00fang ta n\u00f3i <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19156\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_290-3.png\" alt=\"IMG_290\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19157\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_291-3.png\" alt=\"IMG_291\" \/> l\u00e0 hai m\u1ec7nh \u0111\u1ec1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. K\u00ed hi\u1ec7u <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"27\" class=\"wp-image-19158\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_292-3.png\" alt=\"IMG_292\" \/> \u0111\u1ecdc l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19159\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_293-3.png\" alt=\"IMG_293\" \/> t\u01b0\u01a1ng \u0111\u01b0\u01a1ng <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19160\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_294-3.png\" alt=\"IMG_294\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19161\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_295-3.png\" alt=\"IMG_295\" \/> l\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n v\u00e0 \u0111\u1ee7 \u0111\u1ec3 c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-19162\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_296-3.png\" alt=\"IMG_296\" \/> , ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19163\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_297-3.png\" alt=\"IMG_297\" \/> khi v\u00e0 ch\u1ec9 khi <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"27\" class=\"wp-image-19164\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_298-3.png\" alt=\"IMG_298\" \/><\/p>\n<p><strong>5. K\u00ed hi\u1ec7u<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"28\" class=\"wp-image-19165\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_299-3.png\" alt=\"IMG_299\" \/> .<\/p>\n<p>&#8211; K\u00ed hi\u1ec7u &#8220;: \u0111\u1ecdc l\u00e0 v\u1edbi m\u1ecdi ho\u1eb7c v\u1edbi t\u1ea5t c\u1ea3 .<\/p>\n<p>&#8211; K\u00ed hi\u1ec7u $: \u0111\u1ecdc l\u00e0 c\u00f3 m\u1ed9t (t\u1ed3n t\u1ea1i m\u1ed9t) hay c\u00f3 \u00edt nh\u1ea5t m\u1ed9t (t\u1ed3n t\u1ea1i \u00edt nh\u1ea5t m\u1ed9t)<strong>.<\/strong><\/p>\n<p><strong>II \u2013 DA\u0323NG TOA\u0301N<\/strong><\/p>\n<ol>\n<li><strong>D\u1ea1ng 1: Nh\u1eadn bi\u1ebft m\u1ec7nh \u0111\u1ec1<\/strong><\/li>\n<\/ol>\n<ul>\n<li>Ph\u01b0\u01a1ng ph\u00e1p: M\u1ed9t c\u00e2u m\u00e0 ch\u1eafc ch\u1eafn l\u00e0 \u0111\u00fang hay ch\u1eafc ch\u1eafn l\u00e0 sai th\u00ec \u0111\u00f3 l\u00e0 m\u1ed9t m\u1ec7nh \u0111\u1ec1.<\/li>\n<\/ul>\n<p><strong>A. V\u00cd D\u1ee4 MINH H\u1eccA<\/strong><\/p>\n<p><strong>Vi\u0301 du\u0323 1: <\/strong>Trong c\u00e1c c\u00e2u sau, c\u00e2u n\u00e0o kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/p>\n<p><strong>A. <\/strong>Bu\u1ed3n ng\u1ee7 qu\u00e1!<\/p>\n<p><strong>B. <\/strong>H\u00ecnh thoi c\u00f3 hai \u0111\u01b0\u1eddng ch\u00e9o vu\u00f4ng g\u00f3c v\u1edbi nhau.<\/p>\n<p><strong>C. <\/strong>8 l\u00e0 s\u1ed1 ch\u00ednh ph\u01b0\u01a1ng.<\/p>\n<p><strong>D. <\/strong>B\u0103ng C\u1ed1c l\u00e0 th\u1ee7 \u0111\u00f4 c\u1ee7a Mianma.<\/p>\n<p><strong>L\u01a1\u0300i gia\u0309i<\/strong><\/p>\n<p><strong>Cho\u0323n A.<\/strong><\/p>\n<p>C\u00e2u c\u1ea3m th\u00e1n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t m\u1ec7nh \u0111\u1ec1.<\/p>\n<p><strong>Vi\u0301 du\u0323 2:<\/strong> Trong c\u00e1c c\u00e2u sau, c\u00f3 bao nhi\u00eau c\u00e2u kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/p>\n<ol>\n<li>Hu\u1ebf l\u00e0 m\u1ed9t th\u00e0nh ph\u1ed1 c\u1ee7a Vi\u1ec7t Nam.<\/li>\n<li>S\u00f4ng H\u01b0\u01a1ng ch\u1ea3y ngang qua th\u00e0nh ph\u1ed1 Hu\u1ebf.<\/li>\n<li>H\u00e3y tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi n\u00e0y!<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"20\" class=\"wp-image-19166\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_300-3.png\" alt=\"IMG_300\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"87\" height=\"20\" class=\"wp-image-19167\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_301-3.png\" alt=\"IMG_301\" \/><\/li>\n<li>B\u1ea1n c\u00f3 r\u1ea3nh t\u1ed1i nay kh\u00f4ng?<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"22\" class=\"wp-image-19168\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_302-3.png\" alt=\"IMG_302\" \/><\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19169\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_303-3.png\" alt=\"IMG_303\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19170\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_304-3.png\" alt=\"IMG_304\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19171\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_305-3.png\" alt=\"IMG_305\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19172\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_306-3.png\" alt=\"IMG_306\" \/><\/p>\n<p><strong>L\u1eddi gi\u1ea3i<\/strong><\/p>\n<p><strong>Ch\u1ecdn C.<\/strong><\/p>\n<p>C\u00e1c c\u00e2u c), f) kh\u00f4ng l\u00e0 m\u1ec7nh \u0111\u1ec1 v\u00ec kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e2u kh\u1eb3ng \u0111\u1ecbnh.<\/p>\n<p>C\u00e2u g) l\u00e0 m\u1ec7nh \u0111\u1ec1 ch\u1ee9a bi\u1ebfn.<\/p>\n<p><strong>Vi\u0301 du\u0323 3:<\/strong> Trong c\u00e1c c\u00e2u sau, c\u00f3 bao nhi\u00eau c\u00e2u l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/p>\n<ol>\n<li>H\u00e3y \u0111i nhanh l\u00ean!<\/li>\n<li>H\u00e0 N\u1ed9i l\u00e0 th\u1ee7 \u0111\u00f4 c\u1ee7a Vi\u1ec7t Nam.<\/li>\n<li>N\u0103m 2018 l\u00e0 n\u0103m nhu\u1eadn.<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"132\" height=\"22\" class=\"wp-image-19173\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_307-3.png\" alt=\"IMG_307\" \/><\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19174\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_308-3.png\" alt=\"IMG_308\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19175\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_309-3.png\" alt=\"IMG_309\" \/> <strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19176\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_310-3.png\" alt=\"IMG_310\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19177\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_311-3.png\" alt=\"IMG_311\" \/><\/p>\n<p><strong>L\u1eddi gi\u1ea3i<\/strong><\/p>\n<p><strong>Ch\u1ecdn C.<\/strong><\/p>\n<p>C\u00e2u a) l\u00e0 c\u00e2u c\u1ea3m th\u00e1n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ec7nh \u0111\u1ec1.<\/p>\n<p><strong>Vi\u0301 du\u0323 4:<\/strong> Cho c\u00e1c ph\u00e1t bi\u1ec3u sau, c\u00f3 bao nhi\u00eau ph\u00e1t bi\u1ec3u l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/p>\n<ol>\n<li>H\u00e0 N\u1ed9i l\u00e0 th\u1ee7 \u0111\u00f4 c\u1ee7a Vi\u1ec7t Nam.<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"25\" class=\"wp-image-19178\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_312-3.png\" alt=\"IMG_312\" \/><\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"24\" class=\"wp-image-19179\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_313-3.png\" alt=\"IMG_313\" \/><\/li>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"24\" class=\"wp-image-19180\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_314-3.png\" alt=\"IMG_314\" \/> c\u00f3 nghi\u1ec7m.<\/li>\n<\/ol>\n<p><strong>A.<\/strong> 1. <strong>B.<\/strong> 2. <strong>C. <\/strong>3. <strong>D.<\/strong> 4.<\/p>\n<p><strong>L\u1eddi gi\u1ea3i<\/strong><\/p>\n<p><strong>Ch\u1ecdn B.<\/strong><\/p>\n<p>C\u00e2u b), c) l\u00e0 m\u1ec7nh \u0111\u1ec1 ch\u1ee9a bi\u1ebfn.<\/p>\n<ol>\n<li><strong>B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N<\/strong><\/li>\n<li>Trong c\u00e1c c\u00e2u sau, c\u00f3 bao nhi\u00eau c\u00e2u l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/li>\n<\/ol>\n<p>C\u1ed1 l\u00ean, s\u1eafp \u0111\u00f3i r\u1ed3i!<\/p>\n<p>S\u1ed1 15 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1.<\/p>\n<p>T\u1ed5ng c\u00e1c g\u00f3c c\u1ee7a m\u1ed9t tam gi\u00e1c l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"42\" height=\"22\" class=\"wp-image-19181\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_315-3.png\" alt=\"IMG_315\" \/><\/p>\n<p>S\u1ed1 nguy\u00ean d\u01b0\u01a1ng l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean kh\u00e1c 0.<\/p>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19182\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_316-3.png\" alt=\"IMG_316\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19183\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_317-3.png\" alt=\"IMG_317\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-19184\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_318-3.png\" alt=\"IMG_318\" \/> <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"22\" class=\"wp-image-19185\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_319-3.png\" alt=\"IMG_319\" \/><\/p>\n<ol>\n<li>Trong c\u00e1c c\u00e2u sau, c\u00e2u n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/li>\n<\/ol>\n<p><strong>A.<\/strong> \u0110i ng\u1ee7 \u0111i!<\/p>\n<p><strong>B. <\/strong>Trung Qu\u1ed1c l\u00e0 n\u01b0\u1edbc \u0111\u00f4ng d\u00e2n nh\u1ea5t th\u1ebf gi\u1edbi.<\/p>\n<p><strong>C. <\/strong>B\u1ea1n h\u1ecdc tr\u01b0\u1eddng n\u00e0o?<\/p>\n<p><strong>D. <\/strong>Kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m vi\u1ec7c ri\u00eang trong gi\u1edd h\u1ecdc.<\/p>\n<ol>\n<li>Trong c\u00e1c c\u00e2u sau \u0111\u00e2y, c\u00e2u n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/li>\n<li>C\u00e1c b\u1ea1n h\u00e3y l\u00e0m b\u00e0i \u0111i.<\/li>\n<li>B\u1ea1n c\u00f3 ch\u0103m h\u1ecdc kh\u00f4ng.<\/li>\n<li>Vi\u1ec7t Nam l\u00e0 m\u1ed9t n\u01b0\u1edbc thu\u1ed9c ch\u00e2u \u00c1.<\/li>\n<li>Anh h\u1ecdc l\u1edbp m\u1ea5y.<\/li>\n<\/ol>\n<p><strong>A.<\/strong> b). <strong>B.<\/strong> d). <strong>C.<\/strong> a). <strong>D.<\/strong> c).<\/p>\n<ol>\n<li>C\u00e1c c\u00e2u n\u00e0o sau \u0111\u00e2y l\u00e0 kh\u1eb3ng \u0111\u1ecbnh c\u00f3 t\u00ednh \u0111\u00fang sai?<\/li>\n<li>Hoa \u0103n c\u01a1m ch\u01b0a?<\/li>\n<li>B\u00e9 Lan xinh qu\u00e1!<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-19186\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_320-3.png\" alt=\"IMG_320\" \/> l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1.<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"59\" height=\"32\" class=\"wp-image-19187\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_321-3.png\" alt=\"IMG_321\" \/> chia h\u1ebft cho 3.<\/li>\n<\/ol>\n<p><strong>A.<\/strong> b). <strong>B.<\/strong> c), d). <strong>C.<\/strong> a), b), c). <strong>D.<\/strong> d).<\/p>\n<ol>\n<li>C\u00e1c c\u00e2u sau \u0111\u00e2y,c\u00f3 bao nhi\u00eau c\u00e2u l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/li>\n<li>\u1ede \u0111\u00e2y \u0111\u1eb9p qu\u00e1!<\/li>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" width=\"114\" height=\"24\" class=\"wp-image-19188\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_322-3.png\" alt=\"IMG_322\" \/> v\u00f4 nghi\u1ec7m.<\/li>\n<li>16 kh\u00f4ng l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1.<\/li>\n<li>Hai ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" width=\"114\" height=\"24\" class=\"wp-image-19189\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_323-3.png\" alt=\"IMG_323\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"119\" height=\"27\" class=\"wp-image-19190\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_324-3.png\" alt=\"IMG_324\" \/> c\u00f3 nghi\u1ec7m chung.<\/li>\n<li>S\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"17\" class=\"wp-image-19191\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_325-3.png\" alt=\"IMG_325\" \/> c\u00f3 l\u1edbn h\u01a1n <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"24\" class=\"wp-image-19192\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_326-3.png\" alt=\"IMG_326\" \/> hay kh\u00f4ng?<\/li>\n<\/ol>\n<p><strong>A.<\/strong> 4.<strong> B. <\/strong>3.<strong> C. <\/strong>2.<strong> D. <\/strong>5.<\/p>\n<ol>\n<li>Trong c\u00e1c c\u00e2u sau, c\u00e2u n\u00e0o <strong>kh\u00f4ng ph\u1ea3i<\/strong> l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/li>\n<\/ol>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"25\" class=\"wp-image-19193\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_327-3.png\" alt=\"IMG_327\" \/> l\u00e0 s\u1ed1 v\u00f4 t\u1ec9.<\/p>\n<p><strong>B. <\/strong>Hai vect\u01a1 c\u00f9ng h\u00ad\u1edbng v\u1edbi m\u1ed9t vect\u01a1 th\u1ee9 ba th\u00ec c\u00f9ng h\u00ad\u01b0\u1edbng.<\/p>\n<p><strong>C. <\/strong>H\u00f4m nay l\u1ea1nh th\u1ebf nh\u1ec9?<\/p>\n<p><strong>D. <\/strong>T\u00edch c\u1ee7a m\u1ed9t s\u1ed1 v\u1edbi m\u1ed9t vect\u01a1 l\u00e0 m\u1ed9t s\u1ed1.<\/p>\n<ol>\n<li>C\u00f3 bao nhi\u00eau c\u00e2u l\u00e0 m\u1ec7nh \u0111\u1ec1?<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"20\" class=\"wp-image-19194\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_328-3.png\" alt=\"IMG_328\" \/><\/li>\n<li>H\u00f4m nay tr\u1eddi \u0111\u1eb9p qu\u00e1!<\/li>\n<li>N\u0103m 2018 l\u00e0 n\u0103m nhu\u1eadn.<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"20\" class=\"wp-image-19195\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_329-3.png\" alt=\"IMG_329\" \/><\/li>\n<\/ol>\n<p><strong>A. <\/strong>4.<strong> B. <\/strong>3.<strong> C. <\/strong>2.<strong> D. <\/strong>1.<\/p>\n<ol>\n<li>C\u00e2u n\u00e0o trong c\u00e1c c\u00e2u sau <strong>kh\u00f4ng ph\u1ea3i<\/strong> l\u00e0 m\u1ec7nh \u0111\u1ec1.<\/li>\n<\/ol>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"20\" class=\"wp-image-19196\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_330-3.png\" alt=\"IMG_330\" \/><\/p>\n<p><strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"25\" class=\"wp-image-19197\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_331-3.png\" alt=\"IMG_331\" \/> l\u00e0 m\u1ed9t s\u1ed1 v\u00f4 t\u1ec9.<\/p>\n<p><strong>C. <\/strong>H\u00f4m nay l\u00e0 th\u1ee9 m\u1ea5y?<\/p>\n<p><strong>D. <\/strong>Ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" width=\"102\" height=\"24\" class=\"wp-image-19198\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_332-3.png\" alt=\"IMG_332\" \/> v\u00f4 nghi\u1ec7m.<\/p>\n<ol>\n<li><strong>\u0110\u00c1P \u00c1N <\/strong><\/li>\n<\/ol>\n<table>\n<tbody>\n<tr>\n<td><strong>C\u00e2u<\/strong><\/td>\n<td><strong>1<\/strong><\/td>\n<td><strong>2<\/strong><\/td>\n<td><strong>3<\/strong><\/td>\n<td><strong>4<\/strong><\/td>\n<td><strong>5<\/strong><\/td>\n<td><strong>6<\/strong><\/td>\n<td><strong>7<\/strong><\/td>\n<td><strong>8<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\/a<\/strong><\/td>\n<td><strong>A<\/strong><\/td>\n<td><strong>B<\/strong><\/td>\n<td><strong>D<\/strong><\/td>\n<td><strong>B<\/strong><\/td>\n<td><strong>A<\/strong><\/td>\n<td><strong>C<\/strong><\/td>\n<td><strong>B<\/strong><\/td>\n<td><strong>C<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ol>\n<li><strong>D\u1ea1ng 2: X\u00e9t t\u00ednh \u0111\u00fang, sai c\u1ee7a m\u1ec7nh \u0111\u1ec1<\/strong><\/li>\n<\/ol>\n<ul>\n<li>&#8211; Ph\u01b0\u01a1ng ph\u00e1p: M\u1ed9t c\u00e2u kh\u1eb3ng \u0111\u1ecbnh \u0111\u00fang l\u00e0 m\u1ec7nh \u0111\u1ec1 \u0111\u00fang, m\u1ed9t c\u00e2u kh\u1eb3ng \u0111\u1ecbnh sai l\u00e0 m\u1ec7nh \u0111\u1ec1 sai.<\/li>\n<\/ul>\n<ol>\n<li><strong>V\u00cd D\u1ee4 MINH H\u1eccA<\/strong><\/li>\n<\/ol>\n<p><strong>Vi\u0301 du\u0323 1: <\/strong>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1 \u0111\u00fang?<\/p>\n<p><strong>A. <\/strong>T\u1ed5ng c\u1ee7a hai s\u1ed1 t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t s\u1ed1 ch\u1eb5n khi v\u00e0 ch\u1ec9 khi c\u1ea3 hai s\u1ed1 \u0111\u1ec1u l\u00e0 s\u1ed1 ch\u1eb5n.<\/p>\n<p><strong>B. <\/strong>T\u00edch c\u1ee7a hai s\u1ed1 t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t s\u1ed1 ch\u1eb5n khi v\u00e0 ch\u1ec9 khi c\u1ea3 hai s\u1ed1 \u0111\u1ec1u l\u00e0 s\u1ed1 ch\u1eb5n.<\/p>\n<p><strong>C. <\/strong>T\u1ed5ng c\u1ee7a hai s\u1ed1 t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t s\u1ed1 l\u1ebb khi v\u00e0 ch\u1ec9 khi c\u1ea3 hai s\u1ed1 \u0111\u1ec1u l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p><strong>D. <\/strong>T\u00edch c\u1ee7a hai s\u1ed1 t\u1ef1 nhi\u00ean l\u00e0 m\u1ed9t s\u1ed1 l\u1ebb khi v\u00e0 ch\u1ec9 khi c\u1ea3 hai s\u1ed1 \u0111\u1ec1u l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p><strong>L\u01a1\u0300i gia\u0309i<\/strong><\/p>\n<p><strong>Cho\u0323n D.<\/strong><\/p>\n<p>A l\u00e0 m\u1ec7nh \u0111\u1ec1 sai: V\u00ed d\u1ee5: <img loading=\"lazy\" decoding=\"async\" width=\"67\" height=\"22\" class=\"wp-image-19199\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_333-3.png\" alt=\"IMG_333\" \/> l\u00e0 s\u1ed1 ch\u1eb5n nh\u01b0ng <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"25\" class=\"wp-image-19200\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_334-3.png\" alt=\"IMG_334\" \/> l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p>B l\u00e0 m\u1ec7nh \u0111\u1ec1 sai: V\u00ed d\u1ee5: <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"22\" class=\"wp-image-19201\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_335-3.png\" alt=\"IMG_335\" \/> l\u00e0 s\u1ed1 ch\u1eb5n nh\u01b0ng <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"22\" class=\"wp-image-19202\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_336-3.png\" alt=\"IMG_336\" \/> l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p>C l\u00e0 m\u1ec7nh \u0111\u1ec1 sai: V\u00ed d\u1ee5: <img loading=\"lazy\" decoding=\"async\" width=\"67\" height=\"22\" class=\"wp-image-19203\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_337-3.png\" alt=\"IMG_337\" \/> l\u00e0 s\u1ed1 ch\u1eb5n nh\u01b0ng <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"24\" class=\"wp-image-19204\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_338-3.png\" alt=\"IMG_338\" \/> l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p><strong>Vi\u0301 du\u0323 2: <\/strong>Trong c\u00e1c c\u00e2u sau, c\u00e2u n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1 \u0111\u00fang?<\/p>\n<p><strong>A. <\/strong>N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"42\" height=\"24\" class=\"wp-image-19205\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_339-3.png\" alt=\"IMG_339\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"25\" class=\"wp-image-19206\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_340-3.png\" alt=\"IMG_340\" \/><\/p>\n<p><strong>B. <\/strong>N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"17\" class=\"wp-image-19207\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_341-3.png\" alt=\"IMG_341\" \/> chia h\u1ebft cho 9 th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"17\" class=\"wp-image-19208\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_342-3.png\" alt=\"IMG_342\" \/> chia h\u1ebft cho 3.<\/p>\n<p><strong>C. <\/strong>N\u1ebfu em ch\u0103m ch\u1ec9 th\u00ec em th\u00e0nh c\u00f4ng.<\/p>\n<p><strong>D. <\/strong>N\u1ebfu m\u1ed9t tam gi\u00e1c c\u00f3 m\u1ed9t g\u00f3c b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"32\" height=\"24\" class=\"wp-image-19209\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_343-3.png\" alt=\"IMG_343\" \/> th\u00ec tam gi\u00e1c \u0111\u00f3 \u0111\u1ec1u.<\/p>\n<p><strong>L\u1eddi gi\u1ea3i<\/strong><\/p>\n<p><strong>Ch\u1ecdn B.<\/strong><\/p>\n<p>M\u1ec7nh \u0111\u1ec1 A l\u00e0 m\u1ed9t m\u1ec7nh \u0111\u1ec1 sai v\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"24\" class=\"wp-image-19210\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_344-3.png\" alt=\"IMG_344\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"25\" class=\"wp-image-19211\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_345-3.png\" alt=\"IMG_345\" \/><\/p>\n<p>M\u1ec7nh \u0111\u1ec1 B l\u00e0 m\u1ec7nh \u0111\u1ec1 \u0111\u00fang. V\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"52\" class=\"wp-image-19212\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_346-3.png\" alt=\"IMG_346\" \/><\/p>\n<p>C\u00e2u C ch\u01b0a l\u00e0 m\u1ec7nh \u0111\u1ec1 v\u00ec ch\u01b0a kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u00ednh \u0111\u00fang, sai.<\/p>\n<p>M\u1ec7nh \u0111\u1ec1 D l\u00e0 m\u1ec7nh \u0111\u1ec1 sai v\u00ec ch\u01b0a \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh m\u1ed9t tam gi\u00e1c l\u00e0 \u0111\u1ec1u.<\/p>\n<p><strong>Vi\u0301 du\u0323 3: <\/strong>Trong c\u00e1c ph\u00e1t bi\u1ec3u sau, ph\u00e1t bi\u1ec3u n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1 \u0111\u00fang?<\/p>\n<p><strong>A. <\/strong>\u03c0 l\u00e0 m\u1ed9t s\u1ed1 h\u1eefu t\u1ec9.<\/p>\n<p><strong>B. <\/strong>T\u1ed5ng c\u1ee7a \u0111\u1ed9 d\u00e0i hai c\u1ea1nh m\u1ed9t tam gi\u00e1c l\u1edbn h\u01a1n \u0111\u1ed9 d\u00e0i c\u1ea1nh th\u1ee9 ba.<\/p>\n<p><strong>C. <\/strong>B\u1ea1n c\u00f3 ch\u0103m h\u1ecdc kh\u00f4ng?<\/p>\n<p><strong>D. <\/strong>Con th\u00ec th\u1ea5p h\u01a1n cha.<\/p>\n<p><strong>L\u1eddi gi\u1ea3i<\/strong><\/p>\n<p><strong>Ch\u1ecdn B.<\/strong><\/p>\n<p>M\u1ec7nh \u0111\u1ec1 A l\u00e0 m\u1ed9t m\u1ec7nh \u0111\u1ec1 sai v\u00ec \u03c0 l\u00e0 s\u1ed1 v\u00f4 t\u1ec9.<\/p>\n<p>M\u1ec7nh \u0111\u1ec1 C l\u00e0 c\u00e2u h\u1ecfi.<\/p>\n<p>M\u1ec7nh \u0111\u1ec1 D kh\u00f4ng kh\u1eb3ng \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u00ednh \u0111\u00fang, sai.<\/p>\n<p><strong>Vi\u0301 du\u0323 4: <\/strong>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1 <strong>sai<\/strong>?<\/p>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"142\" height=\"24\" class=\"wp-image-19213\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_347-3.png\" alt=\"IMG_347\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"125\" height=\"24\" class=\"wp-image-19214\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_348-3.png\" alt=\"IMG_348\" \/><\/p>\n<p><strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"170\" height=\"25\" class=\"wp-image-19215\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_349-3.png\" alt=\"IMG_349\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"194\" height=\"25\" class=\"wp-image-19216\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_350-3.png\" alt=\"IMG_350\" \/><\/p>\n<p><strong>L\u1eddi gi\u1ea3i<\/strong><\/p>\n<p><strong>Ch\u1ecdn A.<\/strong><\/p>\n<p>X\u00e9t ph\u01b0\u01a1ng \u00e1n A. Ta c\u00f3: <a id=\"post-19121-MTBlankEqn\"><\/a> <img loading=\"lazy\" decoding=\"async\" width=\"224\" height=\"29\" class=\"wp-image-19217\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_351-3.png\" alt=\"IMG_351\" \/> Suy ra A sai.<\/p>\n<ol>\n<li><strong>B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N<\/strong><\/li>\n<\/ol>\n<p><strong>NH\u1eacN BI\u1ebeT:<\/strong><\/p>\n<ol>\n<li>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1 <strong>sai<\/strong>?<\/li>\n<\/ol>\n<p><strong>A. <\/strong>Hai tam gi\u00e1c b\u1eb1ng nhau khi v\u00e0 ch\u1ec9 khi ch\u00fang \u0111\u1ed3ng d\u1ea1ng v\u00e0 c\u00f3 m\u1ed9t g\u00f3c b\u1eb1ng nhau.<\/p>\n<p><strong>B. <\/strong>M\u1ed9t t\u1ee9 gi\u00e1c l\u00e0 h\u00ecnh ch\u1eef nh\u1eadt khi v\u00e0 ch\u1ec9 khi ch\u00fang c\u00f3 3 g\u00f3c vu\u00f4ng <img loading=\"lazy\" decoding=\"async\" width=\"10\" height=\"10\" class=\"wp-image-19218\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_352-3.png\" alt=\"IMG_352\" \/><\/p>\n<p><strong>C. <\/strong>M\u1ed9t tam gi\u00e1c l\u00e0 vu\u00f4ng khi v\u00e0 ch\u1ec9 khi n\u00f3 c\u00f3 m\u1ed9t g\u00f3c b\u1eb1ng t\u1ed5ng hai g\u00f3c c\u00f2n l\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"10\" height=\"10\" class=\"wp-image-19219\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_353-3.png\" alt=\"IMG_353\" \/><\/p>\n<p><strong>D. <\/strong>M\u1ed9t tam gi\u00e1c l\u00e0 \u0111\u1ec1u khi v\u00e0 ch\u1ec9 khi ch\u00fang c\u00f3 hai \u0111\u01b0\u1eddng trung tuy\u1ebfn b\u1eb1ng nhau v\u00e0 c\u00f3 m\u1ed9t g\u00f3c b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"35\" height=\"22\" class=\"wp-image-19220\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_354-3.png\" alt=\"IMG_354\" \/><\/p>\n<ol>\n<li>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, m\u1ec7nh \u0111\u1ec1 n\u00e0o <strong>sai<\/strong>?<\/li>\n<\/ol>\n<p><strong>A. <\/strong>T\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 t\u1ef1 nhi\u00ean \u0111\u1ec1u kh\u00f4ng \u00e2m.<\/p>\n<p><strong>B. <\/strong>N\u1ebfu t\u1ee9 gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"20\" class=\"wp-image-19221\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_355-3.png\" alt=\"IMG_355\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_355-3.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_355-3-50x20.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> c\u00f3 hai \u0111\u01b0\u1eddng ch\u00e9o c\u1eaft nhau t\u1ea1i trung \u0111i\u1ec3m m\u1ed7i \u0111\u01b0\u1eddng th\u00ec t\u1ee9 gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"20\" class=\"wp-image-19222\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_356-3.png\" alt=\"IMG_356\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_356-3.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_356-3-50x20.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> l\u00e0 h\u00ecnh b\u00ecnh h\u00e0nh.<\/p>\n<p><strong>C. <\/strong>N\u1ebfu t\u1ee9 gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"20\" class=\"wp-image-19223\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_357-3.png\" alt=\"IMG_357\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_357-3.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_357-3-50x20.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> l\u00e0 h\u00ecnh ch\u1eef nh\u1eadt th\u00ec t\u1ee9 gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"20\" class=\"wp-image-19224\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_358-3.png\" alt=\"IMG_358\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_358-3.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_358-3-50x20.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> c\u00f3 hai \u0111\u01b0\u1eddng ch\u00e9o b\u1eb1ng nhau.<\/p>\n<p><strong>D. <\/strong>N\u1ebfu t\u1ee9 gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"20\" class=\"wp-image-19225\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_359-3.png\" alt=\"IMG_359\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_359-3.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_359-3-50x20.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> l\u00e0 h\u00ecnh thoi th\u00ec t\u1ee9 gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"20\" class=\"wp-image-19226\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_360-3.png\" alt=\"IMG_360\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_360-3.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_360-3-50x20.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> c\u00f3 hai \u0111\u01b0\u1eddng ch\u00e9o vu\u00f4ng g\u00f3c v\u1edbi nhau.<\/p>\n<ol>\n<li>M\u1ec7nh \u0111\u1ec1 n\u00e0o sau \u0111\u00e2y <strong>sai<\/strong>?<\/li>\n<\/ol>\n<p><strong>A. <\/strong>20 chia h\u1ebft cho 5. <strong>B. <\/strong>5 chia h\u1ebft cho 20.<\/p>\n<p><strong>C. <\/strong>20 l\u00e0 b\u1ed9i s\u1ed1 c\u1ee7a 5. <strong>D. <\/strong>C\u1ea3 A, B, C \u0111\u1ec1u sai.<\/p>\n<ol>\n<li>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, t\u00ecm m\u1ec7nh \u0111\u1ec1 \u0111\u00fang?<\/li>\n<\/ol>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"20\" class=\"wp-image-19227\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_361-3.png\" alt=\"IMG_361\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"24\" class=\"wp-image-19228\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_362-3.png\" alt=\"IMG_362\" \/><\/p>\n<p><strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"32\" class=\"wp-image-19229\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_363-3.png\" alt=\"IMG_363\" \/> <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"32\" class=\"wp-image-19230\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_364-3.png\" alt=\"IMG_364\" \/><\/p>\n<ol>\n<li>T\u00ecm m\u1ec7nh \u0111\u1ec1 \u0111\u00fang.<\/li>\n<\/ol>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"75\" height=\"24\" class=\"wp-image-19231\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_365-3.png\" alt=\"IMG_365\" \/><\/p>\n<p><strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"32\" class=\"wp-image-19232\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_366-3.png\" alt=\"IMG_366\" \/><\/p>\n<p><strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"110\" height=\"32\" class=\"wp-image-19233\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_367-3.png\" alt=\"IMG_367\" \/><\/p>\n<p><strong>D. <\/strong>\u201cTam gi\u00e1c c\u00e2n c\u00f3 m\u1ed9t g\u00f3c b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"29\" height=\"24\" class=\"wp-image-19234\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_368-3.png\" alt=\"IMG_368\" \/> l\u00e0 tam gi\u00e1c \u0111\u1ec1u\u201d.<\/p>\n<p><strong>TH\u00d4NG HI\u1ec2U:<\/strong><\/p>\n<ol>\n<li>X\u00e9t c\u00e1c ph\u00e1t bi\u1ec3u sau:<\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"20\" class=\"wp-image-19235\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_369-3.png\" alt=\"IMG_369\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"24\" class=\"wp-image-19236\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_370-3.png\" alt=\"IMG_370\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"117\" height=\"27\" class=\"wp-image-19237\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_371-3.png\" alt=\"IMG_371\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"24\" class=\"wp-image-19238\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_372-3.png\" alt=\"IMG_372\" \/><\/p>\n<p>C\u00f3 bao nhi\u00eau m\u1ec7nh \u0111\u1ec1 \u0111\u00fang trong c\u00e1c m\u1ec7nh \u0111\u1ec1 tr\u00ean?<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"24\" class=\"wp-image-19239\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_373-3.png\" alt=\"IMG_373\" \/> <strong> B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"24\" class=\"wp-image-19240\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_374-3.png\" alt=\"IMG_374\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"24\" class=\"wp-image-19241\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_375-3.png\" alt=\"IMG_375\" \/> <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"24\" class=\"wp-image-19242\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_376-3.png\" alt=\"IMG_376\" \/><\/p>\n<ol>\n<li>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau, c\u00e2u n\u00e0o l\u00e0 m\u1ec7nh \u0111\u1ec1 n\u00e0o <strong>sai<\/strong> ?<\/li>\n<\/ol>\n<p><strong>A. <\/strong>S\u1ed1 nguy\u00ean t\u1ed1 l\u1edbn h\u01a1n 2 l\u00e0 s\u1ed1 l\u1ebb.<\/p>\n<p><strong>B. <\/strong>S\u1ed1 t\u1ef1 nhi\u00ean c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 0 ho\u1eb7c 5 th\u00ec chia h\u1ebft cho 5.<\/p>\n<p><strong>C. <\/strong>B\u00ecnh ph\u01b0\u01a1ng t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 nguy\u00ean \u0111\u1ec1u chia h\u1ebft cho 2.<\/p>\n<p><strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"42\" height=\"20\" class=\"wp-image-19243\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_377-2.png\" alt=\"IMG_377\" \/><\/p>\n<p><strong>\u0110\u00c1P \u00c1N<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>C\u00e2u<\/strong><\/td>\n<td><strong>1<\/strong><\/td>\n<td><strong>2<\/strong><\/td>\n<td><strong>3<\/strong><\/td>\n<td><strong>4<\/strong><\/td>\n<td><strong>5<\/strong><\/td>\n<td><strong>6<\/strong><\/td>\n<td><strong>7<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\/a<\/strong><\/td>\n<td><strong>A<\/strong><\/td>\n<td><strong>B<\/strong><\/td>\n<td><strong>B<\/strong><\/td>\n<td><strong>D<\/strong><\/td>\n<td><strong>D<\/strong><\/td>\n<td><strong>C<\/strong><\/td>\n<td><strong>C<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>I \u2013 LY\u0301 THUY\u00ca\u0301T 1. M\u00ea\u0323nh \u0111\u00ea\u0300 &#8211; M\u00ea\u0323nh \u0111\u00ea\u0300 la\u0300 m\u00f4\u0323t c\u00e2u kh\u1eb3ng \u0111\u1ecbnh \u0111\u00fang ho\u1eb7c m\u1ed9t c\u00e2u kh\u1eb3ng \u0111\u1ecbnh sai. &#8211; M\u1ed9t m\u1ec7nh \u0111\u1ec1 kh\u00f4ng th\u1ec3 v\u1eeba \u0111\u00fang, v\u1eeba sai. 2. Ph\u1ee7 \u0111\u1ecbnh c\u1ee7a m\u1ed9t m\u1ec7nh \u0111\u1ec1 &#8211; K\u00ed hi\u1ec7u m\u1ec7nh \u0111\u1ec1 ph\u1ee7 \u0111\u1ecbnh c\u1ee7a m\u1ec7nh \u0111\u1ec1 l\u00e0 . + \u0111\u00fang khi sai. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[41],"tags":[],"class_list":["post-19121","post","type-post","status-publish","format-standard","hentry","category-toan-lop-10"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=19121"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19121\/revisions"}],"predecessor-version":[{"id":19244,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19121\/revisions\/19244"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=19121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=19121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=19121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}