{"id":19735,"date":"2021-12-17T13:11:25","date_gmt":"2021-12-17T06:11:25","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=19735"},"modified":"2021-12-17T13:11:26","modified_gmt":"2021-12-17T06:11:26","slug":"ham-so","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/ham-so\/","title":{"rendered":"H\u00c0M S\u1ed0"},"content":{"rendered":"<p><strong>I \u2013 LY\u0301 THUY\u00ca\u0301T<\/strong><\/p>\n<p><strong>\u0081 \u0110\u1ecbnh ngh\u0129a<\/strong><\/p>\n<p>Cho <img decoding=\"async\" width=\"115\" height=\"25\" class=\"wp-image-19736\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_256-7.png\" alt=\"IMG_256\" \/> H\u00e0m s\u1ed1 <em>f<\/em> x\u00e1c \u0111\u1ecbnh tr\u00ean <em>D<\/em> l\u00e0 m\u1ed9t qui t\u1eafc \u0111\u1eb7t t\u01b0\u01a1ng \u1ee9ng m\u1ed7i s\u1ed1 <img decoding=\"async\" width=\"47\" height=\"20\" class=\"wp-image-19737\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_257-6.png\" alt=\"IMG_257\" \/> v\u1edbi m\u1ed9t v\u00e0 ch\u1ec9 m\u1ed9t s\u1ed1 <img decoding=\"async\" width=\"51\" height=\"26\" class=\"wp-image-19738\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_258-7.png\" alt=\"IMG_258\" \/> Trong \u0111o\u0301:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"18\" class=\"wp-image-19739\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_259-6.png\" alt=\"IMG_259\" \/> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 bi\u1ebfn s\u1ed1 (\u0111\u1ed1i s\u1ed1), <em>y<\/em> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 gi\u00e1 tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 <em>f<\/em> t\u1ea1i <em>x<\/em>. K\u00ed hi\u1ec7u: <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"26\" class=\"wp-image-19740\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_260-7.png\" alt=\"IMG_260\" \/><\/p>\n<p><em>D<\/em> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a h\u00e0m s\u1ed1.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"164\" height=\"36\" class=\"wp-image-19741\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_261-4.png\" alt=\"IMG_261\" \/> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 t\u1eadp gi\u00e1 tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1.<\/p>\n<p><strong>\u0082 <\/strong> <strong>Ca\u0301ch cho ha\u0300m s\u00f4\u0301<\/strong>: cho b\u0103\u0300ng ba\u0309ng, bi\u00ea\u0309u \u0111\u00f4\u0300, c\u00f4ng th\u01b0\u0301c <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"26\" class=\"wp-image-19742\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_262-5.png\" alt=\"IMG_262\" \/><\/p>\n<p><strong>T\u1eadp x\u00e1c \u0111\u1ecbnh<\/strong> c\u1ee7a h\u00e0m <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19743\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_263-6.png\" alt=\"IMG_263\" \/> l\u00e0 t\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 th\u1ef1c <em>x<\/em> sao cho bi\u1ec3u th\u1ee9c <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"26\" class=\"wp-image-19744\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_264-5.png\" alt=\"IMG_264\" \/> c\u00f3 ngh\u0129a.<\/p>\n<p><strong>\u0083 Chi\u00ea\u0300u bi\u00ea\u0301n thi\u00ean cu\u0309a ha\u0300m s\u00f4\u0301<\/strong>: Gia\u0309 s\u01b0\u0309 ha\u0300m s\u00f4\u0301 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19745\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_265-5.png\" alt=\"IMG_265\" \/> co\u0301 t\u00e2\u0323p xa\u0301c \u0111i\u0323nh la\u0300 <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"20\" class=\"wp-image-19746\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_266-5.png\" alt=\"IMG_266\" \/> Khi \u0111o\u0301:<\/p>\n<p>Ha\u0300m s\u00f4\u0301 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19747\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_267-6.png\" alt=\"IMG_267\" \/> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 \u0111\u00f4\u0300ng bi\u00ea\u0301n tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"134\" height=\"26\" class=\"wp-image-19748\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_268-6.png\" alt=\"IMG_268\" \/> va\u0300 <img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"26\" class=\"wp-image-19749\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_269-6.png\" alt=\"IMG_269\" \/><\/p>\n<p>Ha\u0300m s\u00f4\u0301 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19750\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_270-4.png\" alt=\"IMG_270\" \/> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 nghi\u0323ch bi\u00ea\u0301n tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"134\" height=\"26\" class=\"wp-image-19751\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_271-6.png\" alt=\"IMG_271\" \/> va\u0300 <img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"26\" class=\"wp-image-19752\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_272-6.png\" alt=\"IMG_272\" \/><\/p>\n<p><strong>X\u00e9t chi\u1ec1u bi\u1ebfn thi\u00ean c\u1ee7a m\u1ed9t h\u00e0m s\u1ed1 <\/strong>l\u00e0 t\u00ecm c\u00e1c kho\u1ea3ng \u0111\u1ed3ng bi\u1ebfn v\u00e0 c\u00e1c kho\u1ea3ng ngh\u1ecbch bi\u1ebfn c\u1ee7a n\u00f3. K\u1ebft qu\u1ea3 x\u00e9t chi\u1ec1u bi\u1ebfn thi\u00ean \u0111\u01b0\u1ee3c t\u1ed5ng k\u1ebft trong m\u1ed9t b\u1ea3ng g\u1ecdi l\u00e0 <strong>b\u1ea3ng bi\u1ebfn thi\u00ean<\/strong>.<\/p>\n<p><strong>\u0084 T\u00ednh ch\u1eb5n l\u1ebb c\u1ee7a h\u00e0m s\u1ed1<\/strong><\/p>\n<p>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19753\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_273-5.png\" alt=\"IMG_273\" \/> c\u00f3 t\u1eadp x\u00e1c \u0111\u1ecbnh <em>D<\/em>.<\/p>\n<p>H\u00e0m s\u1ed1 <em>f <\/em>\u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 <strong><em>h\u00e0m s\u1ed1 ch\u1eb5n<\/em><\/strong> n\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"20\" class=\"wp-image-19754\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_274-6.png\" alt=\"IMG_274\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"58\" height=\"20\" class=\"wp-image-19755\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_275-5.png\" alt=\"IMG_275\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"102\" height=\"26\" class=\"wp-image-19756\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_276-6.png\" alt=\"IMG_276\" \/><\/p>\n<p>H\u00e0m s\u1ed1 <em>f<\/em> \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 <strong><em>h\u00e0m s\u1ed1 le\u0309<\/em><\/strong> n\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"20\" class=\"wp-image-19757\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_277-6.png\" alt=\"IMG_277\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"58\" height=\"20\" class=\"wp-image-19758\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_278-6.png\" alt=\"IMG_278\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"26\" class=\"wp-image-19759\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_279-4.png\" alt=\"IMG_279\" \/><\/p>\n<p>Ti\u0301nh ch\u00e2\u0301t cu\u0309a \u0111\u00f4\u0300 thi\u0323 ha\u0300m s\u00f4\u0301 ch\u0103\u0303n va\u0300 ha\u0300m s\u00f4\u0301 le\u0309:<\/p>\n<p>\u0110\u1ed3 th\u1ecb c\u1ee7a h\u00e0m s\u1ed1 ch\u1eb5n nh\u1eadn tr\u1ee5c tung <em>Oy <\/em>l\u00e0m tr\u1ee5c \u0111\u1ed1i x\u1ee9ng.<\/p>\n<p>\u0110\u1ed3 th\u1ecb c\u1ee7a h\u00e0m s\u1ed1 l\u1ebb nh\u1eadn g\u1ed1c to\u1ea1 \u0111\u1ed9 <em>O<\/em> l\u00e0m t\u00e2m \u0111\u1ed1i x\u1ee9ng.<\/p>\n<p><strong>\u0085 \u0110\u1ed3 th\u1ecb c\u1ee7a h\u00e0m s\u1ed1<\/strong><\/p>\n<p><strong>\u0110\u1ed3 th\u1ecb<\/strong> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19760\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_280-6.png\" alt=\"IMG_280\" \/> x\u00e1c \u0111\u1ecbnh tr\u00ean t\u1eadp <em>D<\/em> l\u00e0 t\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"88\" height=\"33\" class=\"wp-image-19761\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_281-6.png\" alt=\"IMG_281\" \/> tr\u00ean m\u1eb7t ph\u1eb3ng to\u1ea1 \u0111\u1ed9 <img loading=\"lazy\" decoding=\"async\" width=\"36\" height=\"26\" class=\"wp-image-19762\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_282-6.png\" alt=\"IMG_282\" \/> v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"51\" height=\"20\" class=\"wp-image-19763\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_283-6.png\" alt=\"IMG_283\" \/><\/p>\n<p><strong>Ch\u00fa \u00fd:<\/strong> Ta th\u01b0\u1eddng g\u1eb7p \u0111\u1ed3 th\u1ecb c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19764\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_284-6.png\" alt=\"IMG_284\" \/> l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng. Khi \u0111\u00f3 ta n\u00f3i <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19765\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_285-6.png\" alt=\"IMG_285\" \/> l\u00e0 <strong>ph\u01b0\u01a1ng tr\u00ecnh<\/strong> c\u1ee7a \u0111\u01b0\u1eddng \u0111\u00f3.<\/p>\n<p><strong>\u0086 T\u1ecbnh ti\u1ebfn \u0111\u1ed3 th\u1ecb song song v\u1edbi tr\u1ee5c t\u1ecda \u0111\u1ed9<\/strong><\/p>\n<p><strong>T\u1ecbnh ti\u1ebfn m\u1ed9t \u0111i\u1ec3m<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"33\" class=\"wp-image-19766\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_286-5.png\" alt=\"IMG_286\" \/><\/p>\n<p><strong>T\u1ecbnh ti\u1ebfn m\u1ed9t \u0111\u1ed3 th\u1ecb:<\/strong> Trong m\u1eb7t ph\u1eb3ng to\u1ea1 \u0111\u1ed9 <img loading=\"lazy\" decoding=\"async\" width=\"36\" height=\"26\" class=\"wp-image-19767\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_287-6.png\" alt=\"IMG_287\" \/> , cho \u0111\u1ed3 th\u1ecb <img loading=\"lazy\" decoding=\"async\" width=\"36\" height=\"26\" class=\"wp-image-19768\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_288-6.png\" alt=\"IMG_288\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"26\" class=\"wp-image-19769\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_289-7.png\" alt=\"IMG_289\" \/><\/p>\n<ul>\n<li><strong>Tr\u00ecnh b\u00e0y l\u1ea1i c\u00e1c ki\u1ebfn th\u1ee9c trong b\u00e0i h\u1ecdc: c\u00e1c \u0111\u1ecbnh ngh\u0129a, \u0111\u1ecbnh l\u00fd, t\u00ednh ch\u1ea5t, h\u1ec7 qu\u1ea3.<\/strong><\/li>\n<li><strong>Tr\u00ecnh b\u00e0y l\u1ea1i c\u00e1c ki\u1ebfn th\u1ee9c li\u00ean quan \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp trong b\u00e0i h\u1ecdc.<\/strong><\/li>\n<\/ul>\n<p><strong>II \u2013 DA\u0323NG TOA\u0301N<\/strong><\/p>\n<p><strong>1. Da\u0323ng 1: T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 t\u1ea1i c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ebfn s\u1ed1 v\u00e0 \u0111\u1ed3 th\u1ecb c\u1ee7a h\u00e0m s\u1ed1.<\/strong><\/p>\n<p><strong>Ph\u01b0\u01a1ng pha\u0301p gia\u0309i<\/strong><\/p>\n<p><strong>A. V\u00cd D\u1ee4 MINH H\u1eccA<\/strong><\/p>\n<p><strong>Vi\u0301 du\u0323 5: <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"34\" class=\"wp-image-19770\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_290-7.png\" alt=\"IMG_290\" \/> . T\u00ecm c\u00e1c \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh m\u00e0 \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 \u0111\u00e3 cho lu\u00f4n \u0111i qua v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"19\" class=\"wp-image-19771\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_291-7.png\" alt=\"IMG_291\" \/> .<\/p>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"36\" class=\"wp-image-19772\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_292-7.png\" alt=\"IMG_292\" \/><strong> B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"36\" class=\"wp-image-19773\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_293-7.png\" alt=\"IMG_293\" \/><strong> C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"80\" height=\"36\" class=\"wp-image-19774\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_294-7.png\" alt=\"IMG_294\" \/><strong> D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"36\" class=\"wp-image-19775\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_295-7.png\" alt=\"IMG_295\" \/><\/p>\n<p><strong>L\u01a1\u0300i gia\u0309i<\/strong><\/p>\n<p><strong>Cho\u0323n C.<\/strong><\/p>\n<p>\u0110\u1ec3 <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"36\" class=\"wp-image-19776\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_296-7.png\" alt=\"IMG_296\" \/> l\u00e0 \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh m\u00e0 \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 \u0111\u00e3 cho lu\u00f4n \u0111i qua, \u0111i\u1ec1u ki\u1ec7n c\u1ea7n v\u00e0 \u0111\u1ee7 l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"322\" height=\"34\" class=\"wp-image-19777\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_297-7.png\" alt=\"IMG_297\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_297-7.png 322w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_297-7-300x32.png 300w\" sizes=\"(max-width: 322px) 100vw, 322px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"386\" height=\"140\" class=\"wp-image-19778\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_298-7.png\" alt=\"IMG_298\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_298-7.png 386w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_298-7-300x109.png 300w\" sizes=\"(max-width: 386px) 100vw, 386px\" \/><\/p>\n<p>V\u1eady \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 \u0111\u00e3 cho lu\u00f4n \u0111i qua \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"80\" height=\"36\" class=\"wp-image-19779\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_299-7.png\" alt=\"IMG_299\" \/> .<\/p>\n<p><strong>V\u00ed d\u1ee5 6:<\/strong> T\u00ecm tr\u00ean \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"186\" height=\"34\" class=\"wp-image-19780\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_300-7.png\" alt=\"IMG_300\" \/> hai \u0111i\u1ec3m \u0111\u1ed1i x\u1ee9ng nhau qua g\u1ed1c t\u1ecda \u0111\u1ed9.<\/p>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"60\" height=\"36\" class=\"wp-image-19781\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_301-7.png\" alt=\"IMG_301\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"76\" height=\"36\" class=\"wp-image-19782\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_302-7.png\" alt=\"IMG_302\" \/> . <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"61\" height=\"36\" class=\"wp-image-19783\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_303-7.png\" alt=\"IMG_303\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"61\" height=\"36\" class=\"wp-image-19784\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_304-7.png\" alt=\"IMG_304\" \/> .<\/p>\n<p><strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"36\" class=\"wp-image-19785\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_305-7.png\" alt=\"IMG_305\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"36\" class=\"wp-image-19786\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_306-7.png\" alt=\"IMG_306\" \/> .<strong> D.<\/strong> Kh\u00f4ng t\u1ed3n t\u1ea1i<\/p>\n<p><strong>L\u01a1\u0300i gia\u0309i<\/strong><\/p>\n<p><strong>Cho\u0323n B.<\/strong><\/p>\n<p>G\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"26\" class=\"wp-image-19787\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_307-7.png\" alt=\"IMG_307\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_307-7.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_307-7-50x26.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> \u0111\u1ed1i x\u1ee9ng nhau qua g\u1ed1c t\u1ecda \u0111\u1ed9 <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"25\" class=\"wp-image-19788\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_308-7.png\" alt=\"IMG_308\" \/> . <img loading=\"lazy\" decoding=\"async\" width=\"222\" height=\"36\" class=\"wp-image-19789\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_309-7.png\" alt=\"IMG_309\" \/><\/p>\n<p>V\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"26\" class=\"wp-image-19790\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_310-7.png\" alt=\"IMG_310\" \/> thu\u1ed9c \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 n\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"211\" height=\"67\" class=\"wp-image-19791\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_311-7.png\" alt=\"IMG_311\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"469\" height=\"67\" class=\"wp-image-19792\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_312-7.png\" alt=\"IMG_312\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_312-7.png 469w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_312-7-300x43.png 300w\" sizes=\"(max-width: 469px) 100vw, 469px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"64\" class=\"wp-image-19793\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_313-7.png\" alt=\"IMG_313\" \/> ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"64\" class=\"wp-image-19794\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_314-7.png\" alt=\"IMG_314\" \/><\/p>\n<p>V\u1eady hai \u0111i\u1ec3m c\u1ea7n t\u00ecm c\u00f3 t\u1ecda \u0111\u1ed9 l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"61\" height=\"36\" class=\"wp-image-19795\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_315-7.png\" alt=\"IMG_315\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"61\" height=\"36\" class=\"wp-image-19796\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_316-7.png\" alt=\"IMG_316\" \/> .<\/p>\n<p><strong>C. \u0110\u00c1P \u00c1N PH\u1ea6N B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N<\/strong><\/p>\n<p><strong>D. H\u01af\u1edaNG D\u1eaaN GI\u1ea2I CA\u0301C C\u00c2U KHO\u0301 C\u1ee6A PH\u1ea6N T\u1ef0 LUY\u1ec6N<\/strong><\/p>\n<p><strong>2. Da\u0323ng 2: T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a h\u00e0m s\u1ed1 <\/strong><\/p>\n<p><strong>Ph\u01b0\u01a1ng pha\u0301p gia\u0309i<\/strong><\/p>\n<ol>\n<li><em>P(x)<\/em> l\u00e0 \u0111a th\u1ee9c b\u1eadc <em>n, Q(x)<\/em> l\u00e0 \u0111a th\u1ee9c b\u1eadc <em>m.<\/em><\/li>\n<\/ol>\n<ul>\n<li><em>P(x)<\/em> c\u00f3 t\u1eadp x\u00e1c \u0111inh <em>D=R<\/em>.<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"55\" class=\"wp-image-19797\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_317-7.png\" alt=\"IMG_317\" \/> c\u00f3 ngh\u0129a khi <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"26\" class=\"wp-image-19798\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_318-7.png\" alt=\"IMG_318\" \/> .<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"121\" height=\"34\" class=\"wp-image-19799\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_319-7.png\" alt=\"IMG_319\" \/> c\u00f3 ngh\u0129a khi <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"26\" class=\"wp-image-19800\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_320-7.png\" alt=\"IMG_320\" \/> .<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"126\" height=\"60\" class=\"wp-image-19801\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_321-7.png\" alt=\"IMG_321\" \/> c\u00f3 ngh\u0129a khi <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"26\" class=\"wp-image-19802\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_322-7.png\" alt=\"IMG_322\" \/> .<\/li>\n<\/ul>\n<ol>\n<li><img loading=\"lazy\" decoding=\"async\" width=\"164\" height=\"32\" class=\"wp-image-19803\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_323-7.png\" alt=\"IMG_323\" \/><\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"161\" height=\"32\" class=\"wp-image-19804\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_324-7.png\" alt=\"IMG_324\" \/><\/p>\n<p>Ta c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"392\" height=\"32\" class=\"wp-image-19805\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_325-7.png\" alt=\"IMG_325\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_325-7.png 392w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_325-7-300x24.png 300w\" sizes=\"(max-width: 392px) 100vw, 392px\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"380\" height=\"55\" class=\"wp-image-19806\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_326-7.png\" alt=\"IMG_326\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_326-7.png 380w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_326-7-300x43.png 300w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/p>\n<p><strong>B. B\u00c0I T\u1eacP T\u1ef0 LUY\u1ec6N (co\u0301 chia m\u01b0\u0301c \u0111\u00f4\u0323)<\/strong><\/p>\n<p><strong>NH\u00c2\u0323N BI\u00ca\u0301T.<\/strong><\/p>\n<ol>\n<li>N\u00f4\u0323i dung<\/li>\n<\/ol>\n<p><strong>A.<\/strong> <strong>B.<\/strong> <strong>C.<\/strong> <strong>D.<\/strong><\/p>\n<p><strong>TH\u00d4NG HI\u00ca\u0309U.<\/strong><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19807\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_327-7.png\" alt=\"IMG_327\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"146\" height=\"52\" class=\"wp-image-19808\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_328-7.png\" alt=\"IMG_328\" \/><\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"101\" height=\"31\" class=\"wp-image-19809\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_329-7.png\" alt=\"IMG_329\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"126\" height=\"49\" class=\"wp-image-19810\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_330-7.png\" alt=\"IMG_330\" \/> <strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"49\" class=\"wp-image-19811\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_331-7.png\" alt=\"IMG_331\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19812\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_332-7.png\" alt=\"IMG_332\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19813\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_333-7.png\" alt=\"IMG_333\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"55\" class=\"wp-image-19814\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_334-7.png\" alt=\"IMG_334\" \/><\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"28\" class=\"wp-image-19815\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_335-7.png\" alt=\"IMG_335\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"78\" height=\"28\" class=\"wp-image-19816\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_336-7.png\" alt=\"IMG_336\" \/> <strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"28\" class=\"wp-image-19817\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_337-7.png\" alt=\"IMG_337\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19818\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_338-7.png\" alt=\"IMG_338\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19819\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_339-7.png\" alt=\"IMG_339\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"121\" height=\"47\" class=\"wp-image-19820\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_340-7.png\" alt=\"IMG_340\" \/><\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"31\" class=\"wp-image-19821\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_341-7.png\" alt=\"IMG_341\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"31\" class=\"wp-image-19822\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_342-7.png\" alt=\"IMG_342\" \/> <strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"31\" class=\"wp-image-19823\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_343-7.png\" alt=\"IMG_343\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19824\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_344-7.png\" alt=\"IMG_344\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19825\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_345-7.png\" alt=\"IMG_345\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"134\" height=\"52\" class=\"wp-image-19826\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_346-7.png\" alt=\"IMG_346\" \/><\/li>\n<\/ol>\n<p><strong> A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"49\" class=\"wp-image-19827\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_347-7.png\" alt=\"IMG_347\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"49\" class=\"wp-image-19828\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_348-7.png\" alt=\"IMG_348\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"49\" class=\"wp-image-19829\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_349-7.png\" alt=\"IMG_349\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"102\" height=\"49\" class=\"wp-image-19830\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_350-7.png\" alt=\"IMG_350\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19831\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_351-7.png\" alt=\"IMG_351\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"52\" class=\"wp-image-19832\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_352-7.png\" alt=\"IMG_352\" \/><\/li>\n<\/ol>\n<p><strong> A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"31\" class=\"wp-image-19833\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_353-7.png\" alt=\"IMG_353\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19834\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_354-7.png\" alt=\"IMG_354\" \/><\/p>\n<p><strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"181\" height=\"31\" class=\"wp-image-19835\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_355-7.png\" alt=\"IMG_355\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"31\" class=\"wp-image-19836\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_356-7.png\" alt=\"IMG_356\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19837\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_357-7.png\" alt=\"IMG_357\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"192\" height=\"32\" class=\"wp-image-19838\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_358-7.png\" alt=\"IMG_358\" \/><\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"31\" class=\"wp-image-19839\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_359-7.png\" alt=\"IMG_359\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"31\" class=\"wp-image-19840\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_360-7.png\" alt=\"IMG_360\" \/> <strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"31\" class=\"wp-image-19841\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_361-7.png\" alt=\"IMG_361\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"101\" height=\"31\" class=\"wp-image-19842\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_362-7.png\" alt=\"IMG_362\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19843\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_363-6.png\" alt=\"IMG_363\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"51\" class=\"wp-image-19844\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_364-7.png\" alt=\"IMG_364\" \/><\/li>\n<\/ol>\n<p><strong> A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"68\" height=\"31\" class=\"wp-image-19845\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_365-7.png\" alt=\"IMG_365\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"146\" height=\"31\" class=\"wp-image-19846\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_366-7.png\" alt=\"IMG_366\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19847\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_367-7.png\" alt=\"IMG_367\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"109\" height=\"31\" class=\"wp-image-19848\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_368-7.png\" alt=\"IMG_368\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19849\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_369-7.png\" alt=\"IMG_369\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"51\" class=\"wp-image-19850\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_370-7.png\" alt=\"IMG_370\" \/><\/li>\n<\/ol>\n<p><strong> A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"31\" class=\"wp-image-19851\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_371-7.png\" alt=\"IMG_371\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"31\" class=\"wp-image-19852\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_372-7.png\" alt=\"IMG_372\" \/> <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19853\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_373-7.png\" alt=\"IMG_373\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"109\" height=\"31\" class=\"wp-image-19854\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_374-7.png\" alt=\"IMG_374\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19855\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_375-7.png\" alt=\"IMG_375\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"151\" height=\"55\" class=\"wp-image-19856\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_376-7.png\" alt=\"IMG_376\" \/> .<\/li>\n<\/ol>\n<p><strong>A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"31\" class=\"wp-image-19857\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_377-5.png\" alt=\"IMG_377\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"127\" height=\"31\" class=\"wp-image-19858\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_378-4.png\" alt=\"IMG_378\" \/> <strong>C.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"31\" class=\"wp-image-19859\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_379-4.png\" alt=\"IMG_379\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"132\" height=\"31\" class=\"wp-image-19860\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_380-4.png\" alt=\"IMG_380\" \/><\/p>\n<ol>\n<li>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"19\" class=\"wp-image-19861\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_381-4.png\" alt=\"IMG_381\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"146\" height=\"53\" class=\"wp-image-19862\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_382-4.png\" alt=\"IMG_382\" \/><\/li>\n<\/ol>\n<p><strong> A.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"57\" height=\"20\" class=\"wp-image-19863\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_383-4.png\" alt=\"IMG_383\" \/> <strong>B.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"154\" height=\"49\" class=\"wp-image-19864\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_384-4.png\" alt=\"IMG_384\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_384-4.png 154w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_384-4-150x49.png 150w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/><\/p>\n<p><strong> C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"139\" height=\"49\" class=\"wp-image-19865\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_385-4.png\" alt=\"IMG_385\" \/> <strong>D.<\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"140\" height=\"49\" class=\"wp-image-19866\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_386-4.png\" alt=\"IMG_386\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>I \u2013 LY\u0301 THUY\u00ca\u0301T \u0081 \u0110\u1ecbnh ngh\u0129a Cho H\u00e0m s\u1ed1 f x\u00e1c \u0111\u1ecbnh tr\u00ean D l\u00e0 m\u1ed9t qui t\u1eafc \u0111\u1eb7t t\u01b0\u01a1ng \u1ee9ng m\u1ed7i s\u1ed1 v\u1edbi m\u1ed9t v\u00e0 ch\u1ec9 m\u1ed9t s\u1ed1 Trong \u0111o\u0301: \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 bi\u1ebfn s\u1ed1 (\u0111\u1ed1i s\u1ed1), y \u0111\u01b0\u01a1\u0323c go\u0323i la\u0300 gi\u00e1 tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 f t\u1ea1i x. K\u00ed hi\u1ec7u: D \u0111\u01b0\u01a1\u0323c [&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-19735","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\/19735","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=19735"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19735\/revisions"}],"predecessor-version":[{"id":19867,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/19735\/revisions\/19867"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=19735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=19735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=19735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}