{"id":24067,"date":"2021-12-17T17:09:23","date_gmt":"2021-12-17T10:09:23","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=24067"},"modified":"2021-12-17T17:09:25","modified_gmt":"2021-12-17T10:09:25","slug":"the-tich-khoi-lang-tru","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/the-tich-khoi-lang-tru\/","title":{"rendered":"TH\u1ec2 T\u00cdCH KH\u1ed0I L\u0102NG TR\u1ee4"},"content":{"rendered":"\n<p><\/p>\n\n\n<h2><a id=\"post-24067-_Toc492701526\"><\/a><a id=\"post-24067-_Toc493273876\"><\/a><strong>A- L\u00dd THUY\u1ebeT CHUNG<\/strong><\/h2>\n<p><strong>1. Th\u1ec3 t\u00edch kh\u1ed1i l\u0103ng tr\u1ee5<\/strong><\/p>\n<p><img decoding=\"async\" width=\"67\" height=\"24\" class=\"wp-image-24068\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_256-42.png\" alt=\"IMG_256\" \/> v\u1edbi <img decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-24069\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_257-41.png\" alt=\"IMG_257\" \/> di\u1ec7n t\u00edch \u0111\u00e1y, <img decoding=\"async\" width=\"17\" height=\"24\" class=\"wp-image-24070\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_258-42.png\" alt=\"IMG_258\" \/> l\u00e0 chi\u1ec1u cao l\u0103ng tr\u1ee5.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"413\" height=\"198\" class=\"wp-image-24071\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_259-39.png\" alt=\"IMG_259\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_259-39.png 413w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_259-39-300x144.png 300w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/><\/p>\n<p><strong>2. Th\u1ec3 t\u00edch kh\u1ed1i h\u1ed9p ch\u1eef nh\u1eadt<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"24\" class=\"wp-image-24072\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_260-41.png\" alt=\"IMG_260\" \/> v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"27\" class=\"wp-image-24073\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_261-39.png\" alt=\"IMG_261\" \/> l\u00e0 ba k\u00edch th\u01b0\u1edbc.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"239\" height=\"184\" class=\"wp-image-24074\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_262-40.png\" alt=\"IMG_262\" \/><\/p>\n<p><strong>3. Th\u1ec3 t\u00edch kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"27\" class=\"wp-image-24075\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_263-41.png\" alt=\"IMG_263\" \/> v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-24076\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_264-40.png\" alt=\"IMG_264\" \/> l\u00e0 \u0111\u1ed9 d\u00e0i c\u1ea1nh.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"226\" height=\"202\" class=\"wp-image-24077\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_265-40.png\" alt=\"IMG_265\" \/><\/p>\n<h2><strong>B \u2013 B\u00c0I T\u1eacP TR\u1eaeC NGHI\u1ec6M<\/strong><\/h2>\n<p><strong>C\u00e2u 1: <\/strong>Cho l\u0103ng tr\u1ee5 \u0111\u1ee9ng <img loading=\"lazy\" decoding=\"async\" width=\"99\" height=\"24\" class=\"wp-image-24078\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_266-40.png\" alt=\"IMG_266\" \/> c\u00f3 \u0111\u00e1y l\u00e0 tam gi\u00e1c <em>ABC<\/em> vu\u00f4ng c\u00e2n t\u1ea1i <em>A<\/em>, <em>BC<\/em>=2<em>a<\/em>. G\u00f3c gi\u1eefa m\u1eb7t ph\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"27\" class=\"wp-image-24079\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_267-41.png\" alt=\"IMG_267\" \/> v\u00e0 m\u1eb7t ph\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"64\" height=\"27\" class=\"wp-image-24080\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_268-41.png\" alt=\"IMG_268\" \/> b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"32\" height=\"27\" class=\"wp-image-24081\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_269-41.png\" alt=\"IMG_269\" \/> .T\u00ednh th\u1ec3 t\u00edch l\u0103ng tr\u1ee5 <img loading=\"lazy\" decoding=\"async\" width=\"99\" height=\"24\" class=\"wp-image-24082\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_270-39.png\" alt=\"IMG_270\" \/> .<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"29\" class=\"wp-image-24083\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_271-41.png\" alt=\"IMG_271\" \/><strong> B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"27\" class=\"wp-image-24084\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_272-41.png\" alt=\"IMG_272\" \/><strong> C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"30\" class=\"wp-image-24085\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_273-39.png\" alt=\"IMG_273\" \/><strong> D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"30\" class=\"wp-image-24086\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_274-40.png\" alt=\"IMG_274\" \/><\/p>\n<p><strong>C\u00e2u 2: <\/strong>Cho kh\u1ed1i l\u0103ng tr\u1ee5 tam gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"24\" class=\"wp-image-24087\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_275-39.png\" alt=\"IMG_275\" \/> G\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"27\" class=\"wp-image-24088\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_276-40.png\" alt=\"IMG_276\" \/> l\u1ea7n l\u01b0\u1ee3t thu\u1ed9c c\u00e1c c\u1ea1nh b\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"27\" class=\"wp-image-24089\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_277-40.png\" alt=\"IMG_277\" \/> sao cho <img loading=\"lazy\" decoding=\"async\" width=\"89\" height=\"22\" class=\"wp-image-24090\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_278-41.png\" alt=\"IMG_278\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"24\" class=\"wp-image-24091\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_279-39.png\" alt=\"IMG_279\" \/> . G\u1ecdi G l\u00e0 tr\u1ecdng t\u00e2m tam gi\u00e1c AB<strong>C. <\/strong>Trong b\u1ed1n kh\u1ed1i t\u1ee9 di\u1ec7n <img loading=\"lazy\" decoding=\"async\" width=\"215\" height=\"27\" class=\"wp-image-24092\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_280-41.png\" alt=\"IMG_280\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"27\" class=\"wp-image-24093\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_281-40.png\" alt=\"IMG_281\" \/> kh\u1ed1i t\u1ee9 di\u1ec7n n\u00e0o c\u00f3 th\u1ec3 t\u00edch nh\u1ecf nh\u1ea5t?<\/p>\n<p><strong>A. <\/strong>Kh\u1ed1i <img loading=\"lazy\" decoding=\"async\" width=\"67\" height=\"24\" class=\"wp-image-24094\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_282-41.png\" alt=\"IMG_282\" \/> <strong>B. <\/strong>Kh\u1ed1i <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"24\" class=\"wp-image-24095\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_283-40.png\" alt=\"IMG_283\" \/> <strong>C. <\/strong>Kh\u1ed1i <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"24\" class=\"wp-image-24096\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_284-40.png\" alt=\"IMG_284\" \/> <strong>D. <\/strong>Kh\u1ed1i <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"24\" class=\"wp-image-24097\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_285-41.png\" alt=\"IMG_285\" \/><\/p>\n<p><strong>C\u00e2u 3: <\/strong>Cho l\u0103ng tru\u0323 tam gia\u0301c <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"24\" class=\"wp-image-24098\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_286-40.png\" alt=\"IMG_286\" \/> co\u0301 <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"24\" class=\"wp-image-24099\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_287-41.png\" alt=\"IMG_287\" \/> , go\u0301c gi\u01b0\u0303a \u0111\u01b0\u01a1\u0300ng th\u0103\u0309ng <img loading=\"lazy\" decoding=\"async\" width=\"37\" height=\"22\" class=\"wp-image-24100\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_288-41.png\" alt=\"IMG_288\" \/> va\u0300 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"34\" class=\"wp-image-24101\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_289-42.png\" alt=\"IMG_289\" \/> b\u0103\u0300ng <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"24\" class=\"wp-image-24102\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_290-41.png\" alt=\"IMG_290\" \/> , tam gia\u0301c <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-24103\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_291-40.png\" alt=\"IMG_291\" \/> vu\u00f4ng ta\u0323i <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"24\" class=\"wp-image-24104\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_292-41.png\" alt=\"IMG_292\" \/> va\u0300 go\u0301c <img loading=\"lazy\" decoding=\"async\" width=\"94\" height=\"30\" class=\"wp-image-24105\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_293-41.png\" alt=\"IMG_293\" \/> . Hi\u0300nh chi\u00ea\u0301u vu\u00f4ng go\u0301c cu\u0309a \u0111i\u00ea\u0309m <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"22\" class=\"wp-image-24106\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_294-40.png\" alt=\"IMG_294\" \/> l\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"34\" class=\"wp-image-24107\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_295-39.png\" alt=\"IMG_295\" \/> tru\u0300ng v\u01a1\u0301i tro\u0323ng t\u00e2m cu\u0309a <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"24\" class=\"wp-image-24108\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_296-39.png\" alt=\"IMG_296\" \/> . Th\u00ea\u0309 ti\u0301ch cu\u0309a kh\u00f4\u0301i t\u01b0\u0301 di\u00ea\u0323n <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"24\" class=\"wp-image-24109\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_297-39.png\" alt=\"IMG_297\" \/> theo <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-24110\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_298-39.png\" alt=\"IMG_298\" \/> b\u1eb1ng<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"55\" class=\"wp-image-24111\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_299-40.png\" alt=\"IMG_299\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"55\" class=\"wp-image-24112\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_300-40.png\" alt=\"IMG_300\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"55\" class=\"wp-image-24113\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_301-40.png\" alt=\"IMG_301\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"55\" class=\"wp-image-24114\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_302-40.png\" alt=\"IMG_302\" \/> .<\/p>\n<p><strong>C\u00e2u 4: <\/strong>Cho h\u00ecnh l\u0103ng tr\u1ee5 \u0111\u1ee9ng <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"24\" class=\"wp-image-24115\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_303-40.png\" alt=\"IMG_303\" \/> , bi\u1ebft \u0111\u00e1y <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-24116\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_304-40.png\" alt=\"IMG_304\" \/> l\u00e0 tam gi\u00e1c \u0111\u1ec1u c\u1ea1nh <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-24117\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_305-40.png\" alt=\"IMG_305\" \/> . Kho\u1ea3ng c\u00e1ch t\u1eeb t\u00e2m <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"24\" class=\"wp-image-24118\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_306-40.png\" alt=\"IMG_306\" \/> c\u1ee7a tam gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-24119\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_307-40.png\" alt=\"IMG_307\" \/> \u0111\u1ebfn m\u1eb7t ph\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"34\" class=\"wp-image-24120\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_308-40.png\" alt=\"IMG_308\" \/> b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"52\" class=\"wp-image-24121\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_309-39.png\" alt=\"IMG_309\" \/> .T\u00ednh th\u1ec3 t\u00edch kh\u1ed1i l\u0103ng tr\u1ee5 <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"24\" class=\"wp-image-24122\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_310-40.png\" alt=\"IMG_310\" \/> .<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"57\" class=\"wp-image-24123\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_311-39.png\" alt=\"IMG_311\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"57\" class=\"wp-image-24124\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_312-39.png\" alt=\"IMG_312\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"57\" class=\"wp-image-24125\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_313-38.png\" alt=\"IMG_313\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"57\" class=\"wp-image-24126\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_314-38.png\" alt=\"IMG_314\" \/> .<\/p>\n<p><strong>C\u00e2u 5: <\/strong>Cho h\u00ecnh l\u0103ng tr\u1ee5 c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c c\u1ea1nh \u0111\u1ec1u b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-24127\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_315-38.png\" alt=\"IMG_315\" \/> , \u0111\u00e1y l\u00e0 l\u1ee5c gi\u00e1c \u0111\u1ec1u, g\u00f3c t\u1ea1o b\u1edfi c\u1ea1nh b\u00ean v\u00e0 m\u1eb7t \u0111\u00e1y l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"24\" class=\"wp-image-24128\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_316-38.png\" alt=\"IMG_316\" \/> . T\u00ednh th\u1ec3 t\u00edch kh\u1ed1i l\u0103ng tr\u1ee5<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"52\" class=\"wp-image-24129\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_317-38.png\" alt=\"IMG_317\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"85\" height=\"57\" class=\"wp-image-24130\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_318-38.png\" alt=\"IMG_318\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"52\" class=\"wp-image-24131\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_319-38.png\" alt=\"IMG_319\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"52\" class=\"wp-image-24132\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_320-38.png\" alt=\"IMG_320\" \/> .<\/p>\n<p><strong>C\u00e2u 6: <\/strong>Cho l\u0103ng tr\u1ee5 <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"24\" class=\"wp-image-24133\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_321-37.png\" alt=\"IMG_321\" \/> c\u00f3 \u0111\u00e1y l\u00e0 tam gi\u00e1c \u0111\u1ec1u c\u1ea1nh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-24134\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_322-37.png\" alt=\"IMG_322\" \/> H\u00ecnh chi\u1ebfu vu\u00f4ng g\u00f3c c\u1ee7a \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"22\" class=\"wp-image-24135\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_323-35.png\" alt=\"IMG_323\" \/> l\u00ean m\u1eb7t ph\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"34\" class=\"wp-image-24136\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_324-35.png\" alt=\"IMG_324\" \/> tr\u00f9ng v\u1edbi tr\u1ecdng t\u00e2m tam gi\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"24\" class=\"wp-image-24137\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_325-35.png\" alt=\"IMG_325\" \/> Bi\u1ebft kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"22\" class=\"wp-image-24138\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_326-35.png\" alt=\"IMG_326\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"24\" class=\"wp-image-24139\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_327-35.png\" alt=\"IMG_327\" \/> b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"44\" height=\"57\" class=\"wp-image-24140\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_328-34.png\" alt=\"IMG_328\" \/> . Khi \u0111\u00f3 th\u1ec3 t\u00edch c\u1ee7a kh\u1ed1i l\u0103ng tr\u1ee5 l\u00e0:<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"57\" class=\"wp-image-24141\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_329-34.png\" alt=\"IMG_329\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"57\" class=\"wp-image-24142\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_330-34.png\" alt=\"IMG_330\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"57\" class=\"wp-image-24143\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_331-34.png\" alt=\"IMG_331\" \/> <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"57\" class=\"wp-image-24144\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_332-34.png\" alt=\"IMG_332\" \/><\/p>\n<p><strong>C\u00e2u 7: <\/strong>Cho h\u00ecnh l\u1eadp ph\u01b0\u01a1ng <img loading=\"lazy\" decoding=\"async\" width=\"137\" height=\"24\" class=\"wp-image-24145\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_333-34.png\" alt=\"IMG_333\" \/> c\u00f3 c\u1ea1nh b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-24146\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_334-33.png\" alt=\"IMG_334\" \/> , m\u1ed9t m\u1eb7t ph\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"35\" height=\"34\" class=\"wp-image-24147\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_335-33.png\" alt=\"IMG_335\" \/> c\u1eaft c\u00e1c c\u1ea1nh <img loading=\"lazy\" decoding=\"async\" width=\"37\" height=\"22\" class=\"wp-image-24148\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_336-33.png\" alt=\"IMG_336\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"37\" height=\"22\" class=\"wp-image-24149\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_337-33.png\" alt=\"IMG_337\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"24\" class=\"wp-image-24150\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_338-33.png\" alt=\"IMG_338\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"22\" class=\"wp-image-24151\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_339-32.png\" alt=\"IMG_339\" \/> l\u1ea7n l\u01b0\u1ee3t t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"22\" class=\"wp-image-24152\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_340-32.png\" alt=\"IMG_340\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"24\" class=\"wp-image-24153\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_341-32.png\" alt=\"IMG_341\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"22\" class=\"wp-image-24154\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_342-32.png\" alt=\"IMG_342\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-24155\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_343-31.png\" alt=\"IMG_343\" \/> . Bi\u1ebft <img loading=\"lazy\" decoding=\"async\" width=\"85\" height=\"52\" class=\"wp-image-24156\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_344-31.png\" alt=\"IMG_344\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"79\" height=\"52\" class=\"wp-image-24157\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_345-31.png\" alt=\"IMG_345\" \/> . Th\u1ec3 t\u00edch kh\u1ed1i \u0111a di\u1ec7n <img loading=\"lazy\" decoding=\"async\" width=\"122\" height=\"27\" class=\"wp-image-24158\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_346-30.png\" alt=\"IMG_346\" \/> l\u00e0:<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"52\" class=\"wp-image-24159\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_347-29.png\" alt=\"IMG_347\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"29\" height=\"55\" class=\"wp-image-24160\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_348-28.png\" alt=\"IMG_348\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"55\" class=\"wp-image-24161\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_349-28.png\" alt=\"IMG_349\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"52\" class=\"wp-image-24162\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_350-28.png\" alt=\"IMG_350\" \/> .<\/p>\n<p><strong>C\u00e2u 8: <\/strong>Cho kh\u1ed1i h\u1ed9p <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"24\" class=\"wp-image-24163\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_351-28.png\" alt=\"IMG_351\" \/> c\u00f3 c\u1ea1nh b\u00ean b\u1eb1ng 1.; \u0111\u00e1y <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"24\" class=\"wp-image-24164\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_352-28.png\" alt=\"IMG_352\" \/> l\u00e0 m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 c\u00e1c c\u1ea1nh <img loading=\"lazy\" decoding=\"async\" width=\"160\" height=\"32\" class=\"wp-image-24165\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_353-28.png\" alt=\"IMG_353\" \/> c\u00e1c m\u1eb7t b\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"87\" height=\"34\" class=\"wp-image-24166\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_354-28.png\" alt=\"IMG_354\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"92\" height=\"34\" class=\"wp-image-24167\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_355-28.png\" alt=\"IMG_355\" \/> h\u1ee3p v\u1edbi m\u1eb7t \u0111\u00e1y c\u00e1c g\u00f3c theo th\u1ee9 t\u1ef1 <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"30\" class=\"wp-image-24168\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_356-28.png\" alt=\"IMG_356\" \/> Th\u1ec3 t\u00edch kh\u1ed1i h\u1ed9p l\u00e0:<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"27\" class=\"wp-image-24169\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_357-28.png\" alt=\"IMG_357\" \/> (\u0111vdt) <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"24\" class=\"wp-image-24170\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_358-28.png\" alt=\"IMG_358\" \/> (\u0111vdt) <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"22\" class=\"wp-image-24171\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_359-27.png\" alt=\"IMG_359\" \/> (\u0111vdt) <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"24\" class=\"wp-image-24172\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_360-26.png\" alt=\"IMG_360\" \/> (\u0111vdt)<\/p>\n<p><strong>C\u00e2u 9: <\/strong>Cho kh\u1ed1i h\u1ed9p <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"24\" class=\"wp-image-24173\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_361-25.png\" alt=\"IMG_361\" \/> c\u00f3 \u0111\u1ed9 d\u00e0i c\u1ea1nh b\u00ean b\u1eb1ng a; \u0111\u00e1y l\u00e0 h\u00ecnh thoi, di\u1ec7n t\u00edch c\u1ee7a hai m\u1eb7t ch\u00e9o l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"30\" class=\"wp-image-24174\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_362-25.png\" alt=\"IMG_362\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"30\" class=\"wp-image-24175\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_363-22.png\" alt=\"IMG_363\" \/> ; g\u00f3c gi\u1eefa hai m\u1eb7t ph\u1eb3ng ch\u1ee9a hai m\u1eb7t ch\u00e9o l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"19\" class=\"wp-image-24176\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_364-24.png\" alt=\"IMG_364\" \/> T\u00ednh th\u1ec3 t\u00edch V c\u1ee7a kh\u1ed1i h\u1ed9p \u0111\u00e3 cho.<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"117\" height=\"52\" class=\"wp-image-24177\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_365-24.png\" alt=\"IMG_365\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"117\" height=\"52\" class=\"wp-image-24178\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_366-24.png\" alt=\"IMG_366\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"117\" height=\"52\" class=\"wp-image-24179\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_367-24.png\" alt=\"IMG_367\" \/> <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"117\" height=\"52\" class=\"wp-image-24180\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_368-23.png\" alt=\"IMG_368\" \/><\/p>\n<p><strong>C\u00e2u 10: <\/strong>Cho kh\u1ed1i h\u1ed9p <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"24\" class=\"wp-image-24181\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_369-23.png\" alt=\"IMG_369\" \/> c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c c\u1ea1nh b\u00ean b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-24182\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_370-23.png\" alt=\"IMG_370\" \/> v\u00e0 c\u00e1c g\u00f3c <img loading=\"lazy\" decoding=\"async\" width=\"157\" height=\"27\" class=\"wp-image-24183\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_371-23.png\" alt=\"IMG_371\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_371-23.png 157w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_371-23-150x27.png 150w\" sizes=\"(max-width: 157px) 100vw, 157px\" \/> \u0111\u1ec1u b\u1eb1ng <img loading=\"lazy\" decoding=\"async\" width=\"142\" height=\"37\" class=\"wp-image-24184\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_372-23.png\" alt=\"IMG_372\" \/> T\u00ednh th\u1ec3 t\u00edch <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"24\" class=\"wp-image-24185\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_373-22.png\" alt=\"IMG_373\" \/> c\u1ee7a kh\u1ed1i h\u1ed9p.<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"307\" height=\"59\" class=\"wp-image-24186\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_374-21.png\" alt=\"IMG_374\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_374-21.png 307w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_374-21-300x58.png 300w\" sizes=\"(max-width: 307px) 100vw, 307px\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"242\" height=\"59\" class=\"wp-image-24187\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_375-21.png\" alt=\"IMG_375\" \/><\/p>\n<p><strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"247\" height=\"59\" class=\"wp-image-24188\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_376-20.png\" alt=\"IMG_376\" \/> <strong>D. <\/strong>\u0110\u00e1p s\u1ed1 kh\u00e1c.<\/p>\n<p><strong>C\u00e2u 11: <\/strong>Cho kh\u1ed1i h\u1ed9p \u0111\u1ee9ng <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"24\" class=\"wp-image-24189\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_377-19.png\" alt=\"IMG_377\" \/> c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"215\" height=\"34\" class=\"wp-image-24190\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_378-18.png\" alt=\"IMG_378\" \/> \u0111\u01b0\u1eddng ch\u00e9o <img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"24\" class=\"wp-image-24191\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_379-18.png\" alt=\"IMG_379\" \/> h\u1ee3p v\u1edbi \u0111\u00e1y g\u00f3c <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"27\" class=\"wp-image-24192\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_380-18.png\" alt=\"IMG_380\" \/> T\u00ednh th\u1ec3 t\u00edch kh\u1ed1i h\u1ed9p \u0111\u1ee9ng \u0111\u00e3 cho l\u00e0:<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"35\" class=\"wp-image-24193\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_381-18.png\" alt=\"IMG_381\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_381-18.png 324w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_381-18-300x32.png 300w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/> <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"35\" class=\"wp-image-24194\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_382-18.png\" alt=\"IMG_382\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_382-18.png 324w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_382-18-300x32.png 300w\" sizes=\"(max-width: 324px) 100vw, 324px\" \/><\/p>\n<p><strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"35\" class=\"wp-image-24195\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_383-18.png\" alt=\"IMG_383\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_383-18.png 320w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_383-18-300x33.png 300w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/> <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"312\" height=\"35\" class=\"wp-image-24196\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_384-18.png\" alt=\"IMG_384\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_384-18.png 312w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_384-18-300x34.png 300w\" sizes=\"(max-width: 312px) 100vw, 312px\" \/><\/p>","protected":false},"excerpt":{"rendered":"<p>A- L\u00dd THUY\u1ebeT CHUNG 1. Th\u1ec3 t\u00edch kh\u1ed1i l\u0103ng tr\u1ee5 v\u1edbi di\u1ec7n t\u00edch \u0111\u00e1y, l\u00e0 chi\u1ec1u cao l\u0103ng tr\u1ee5. 2. Th\u1ec3 t\u00edch kh\u1ed1i h\u1ed9p ch\u1eef nh\u1eadt v\u1edbi l\u00e0 ba k\u00edch th\u01b0\u1edbc. 3. Th\u1ec3 t\u00edch kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng v\u1edbi l\u00e0 \u0111\u1ed9 d\u00e0i c\u1ea1nh. B \u2013 B\u00c0I T\u1eacP TR\u1eaeC NGHI\u1ec6M C\u00e2u 1: Cho l\u0103ng tr\u1ee5 \u0111\u1ee9ng c\u00f3 [&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":[43],"tags":[],"class_list":["post-24067","post","type-post","status-publish","format-standard","hentry","category-toan-lop-12"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/24067","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=24067"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/24067\/revisions"}],"predecessor-version":[{"id":24197,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/24067\/revisions\/24197"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=24067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=24067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=24067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}