{"id":23405,"date":"2021-12-17T17:01:27","date_gmt":"2021-12-17T10:01:27","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=23405"},"modified":"2021-12-17T17:01:28","modified_gmt":"2021-12-17T10:01:28","slug":"tim-dieu-kien-de-ham-so-co-cuc-tri-thoa-man-dieu-kien-cho-truoc","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tim-dieu-kien-de-ham-so-co-cuc-tri-thoa-man-dieu-kien-cho-truoc\/","title":{"rendered":"T\u00ccM \u0110I\u1ec0U KI\u1ec6N \u0110\u1ec2 H\u00c0M S\u1ed0 C\u00d3 C\u1ef0C TR\u1eca  TH\u1eceA M\u00c3N \u0110I\u1ec0U KI\u1ec6N CHO TR\u01af\u1edaC"},"content":{"rendered":"<p><a id=\"post-23405-_Toc492701526\"><\/a><a id=\"post-23405-_Toc493273876\"><\/a><strong>Ph\u01b0\u01a1ng ph\u00e1p . <\/strong>Ti\u1ebfn h\u00e0nh theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<p><em>B\u01b0\u1edbc 1.<\/em> T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a h\u00e0m s\u1ed1 f.<\/p>\n<p><em>B\u01b0\u1edbc 2.<\/em> T\u00ednh <img decoding=\"async\" width=\"40\" height=\"25\" class=\"wp-image-23406\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_256-38.png\" alt=\"IMG_256\" \/> .<\/p>\n<p><em>B\u01b0\u1edbc 3.<\/em>S\u1eed d\u1ee5ng \u0111\u1ecbnh l\u00ed sau: \u201c N\u1ebfu h\u00e0m s\u1ed1 f c\u00f3 \u0111\u1ea1o h\u00e0m li\u00ean t\u1ee5c tr\u00ean (a,b) v\u00e0 <img decoding=\"async\" width=\"79\" height=\"29\" class=\"wp-image-23407\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_257-37.png\" alt=\"IMG_257\" \/> .Th\u1ebf th\u00ec \u0111i\u1ec3m <img decoding=\"async\" width=\"24\" height=\"29\" class=\"wp-image-23408\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_258-38.png\" alt=\"IMG_258\" \/> l\u00e0 \u0111i\u1ec3m c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 f n\u1ebfu v\u00e0 ch\u1ec9 n\u1ebfu \u0111\u1ea1o h\u00e0m <img loading=\"lazy\" decoding=\"async\" width=\"40\" height=\"25\" class=\"wp-image-23409\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_259-36.png\" alt=\"IMG_259\" \/> \u0111\u1ed5i d\u1ea5u khi x \u0111i qua <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"29\" class=\"wp-image-23410\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_260-38.png\" alt=\"IMG_260\" \/> \u201d.<\/p>\n<p><em>B\u01b0\u1edbc 4.<\/em>Gi\u1ea3i quy\u1ebft y\u00eau c\u1ea7u c\u1ee7a c\u1ef1c tr\u1ecb (n\u1ebfu c\u00f3).<\/p>\n<p><strong>Ch\u00fa \u00fd:<\/strong><\/p>\n<p>* N\u1ebfu ta g\u1eb7p bi\u1ec3u th\u1ee9c \u0111\u1ed1i x\u1ee9ng c\u1ee7a ho\u00e0nh \u0111\u1ed9 c\u00e1c \u0111i\u1ec3m c\u1ef1c tr\u1ecb v\u00e0 ho\u00e0nh \u0111\u1ed9 c\u00e1c \u0111i\u1ec3m c\u1ef1c tr\u1ecb l\u00e0 nghi\u1ec7m c\u1ee7a m\u1ed9t tam th\u1ee9c b\u1eadc hai th\u00ec ta s\u1eed d\u1ee5ng \u0111\u1ecbnh l\u00ed Vi\u00e9t.<\/p>\n<p>* Khi t\u00ednh gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 qua \u0111i\u1ec3m c\u1ef1c tr\u1ecb ta th\u01b0\u1eddng d\u00f9ng c\u00e1c k\u1ebft qu\u1ea3 sau:<\/p>\n<p><strong>\u0110\u1ecbnh l\u00ed 1:<\/strong> Cho h\u00e0m \u0111a th\u1ee9c <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"32\" class=\"wp-image-23411\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_261-35.png\" alt=\"IMG_261\" \/> , gi\u1ea3 s\u1eed <img loading=\"lazy\" decoding=\"async\" width=\"187\" height=\"32\" class=\"wp-image-23412\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_262-36.png\" alt=\"IMG_262\" \/> khi \u0111\u00f3 n\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"29\" class=\"wp-image-23413\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_263-37.png\" alt=\"IMG_263\" \/> l\u00e0 \u0111i\u1ec3m c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 th\u00ec gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 l\u00e0: <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"32\" class=\"wp-image-23414\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_264-36.png\" alt=\"IMG_264\" \/> v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"32\" class=\"wp-image-23415\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_265-36.png\" alt=\"IMG_265\" \/> g\u1ecdi l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh qu\u1ef9 t\u00edch c\u1ee7a c\u00e1c \u0111i\u1ec3m c\u1ef1c tr\u1ecb.<strong><br \/>\nCh\u1ee9ng minh:<\/strong> Gi\u1ea3 s\u1eed <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"29\" class=\"wp-image-23416\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_266-36.png\" alt=\"IMG_266\" \/> l\u00e0 \u0111i\u1ec3m c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1, v\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"42\" height=\"32\" class=\"wp-image-23417\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_267-37.png\" alt=\"IMG_267\" \/> l\u00e0 h\u00e0m \u0111a th\u1ee9c n\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"32\" class=\"wp-image-23418\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_268-37.png\" alt=\"IMG_268\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"327\" height=\"32\" class=\"wp-image-23419\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_269-37.png\" alt=\"IMG_269\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_269-37.png 327w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_269-37-300x29.png 300w\" sizes=\"(max-width: 327px) 100vw, 327px\" \/> (\u0111pcm) .<\/p>\n<p><strong>\u0110\u1ecbnh l\u00ed 2:<\/strong> Cho h\u00e0m ph\u00e2n th\u1ee9c h\u1eefu t\u1ec9 <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"60\" class=\"wp-image-23420\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_270-35.png\" alt=\"IMG_270\" \/> khi \u0111\u00f3 n\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"29\" class=\"wp-image-23421\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_271-37.png\" alt=\"IMG_271\" \/> l\u00e0 \u0111i\u1ec3m c\u1ef1c<\/p>\n<p>tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 th\u00ec gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1: <img loading=\"lazy\" decoding=\"async\" width=\"119\" height=\"60\" class=\"wp-image-23422\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_272-37.png\" alt=\"IMG_272\" \/> .<\/p>\n<p>V\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"60\" class=\"wp-image-23423\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_273-35.png\" alt=\"IMG_273\" \/> l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh qu\u1ef9 t\u00edch c\u1ee7a c\u00e1c \u0111i\u1ec3m c\u1ef1c tr\u1ecb.<\/p>\n<p><strong>Ch\u1ee9ng minh:<\/strong> Ta c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"214\" height=\"64\" class=\"wp-image-23424\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_274-36.png\" alt=\"IMG_274\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"294\" height=\"32\" class=\"wp-image-23425\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_275-35.png\" alt=\"IMG_275\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"32\" class=\"wp-image-23426\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_276-36.png\" alt=\"IMG_276\" \/> . Gi\u1ea3 s\u1eed <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"29\" class=\"wp-image-23427\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_277-36.png\" alt=\"IMG_277\" \/> l\u00e0 \u0111i\u1ec3m c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"22\" height=\"29\" class=\"wp-image-23428\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_278-37.png\" alt=\"IMG_278\" \/> l\u00e0 nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"32\" class=\"wp-image-23429\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_279-35.png\" alt=\"IMG_279\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"204\" height=\"60\" class=\"wp-image-23430\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_280-37.png\" alt=\"IMG_280\" \/> .<\/p>\n<p><strong>B\u00e0i to\u00e1n 01: <\/strong><\/p>\n<p><strong>T\u00ccM \u0110I\u1ec0U KI\u1ec6N \u0110\u1ec2 H\u00c0M S\u1ed0 C\u00d3 C\u1ef0C TR\u1eca C\u00d9NG D\u1ea4U, TR\u00c1I D\u1ea4U.<\/strong><\/p>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p .<\/strong><\/p>\n<p>Gi\u1ea3 s\u1eed <img loading=\"lazy\" decoding=\"async\" width=\"125\" height=\"32\" class=\"wp-image-23431\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_281-36.png\" alt=\"IMG_281\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23432\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_282-37.png\" alt=\"IMG_282\" \/> H\u00e0m s\u1ed1 c\u00f3 hai \u0111i\u1ec3m c\u1ef1c tr\u1ecb d\u01b0\u01a1ng <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"19\" class=\"wp-image-23433\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_283-36.png\" alt=\"IMG_283\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"25\" class=\"wp-image-23434\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_284-36.png\" alt=\"IMG_284\" \/> c\u00f3 hai nghi\u1ec7m d\u01b0\u01a1ng ph\u00e2n bi\u1ec7t : <img loading=\"lazy\" decoding=\"async\" width=\"372\" height=\"29\" class=\"wp-image-23435\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_285-37.png\" alt=\"IMG_285\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_285-37.png 372w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_285-37-300x23.png 300w\" sizes=\"(max-width: 372px) 100vw, 372px\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23436\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_286-36.png\" alt=\"IMG_286\" \/> H\u00e0m s\u1ed1 c\u00f3 hai \u0111i\u1ec3m c\u1ef1c tr\u1ecb \u00e2m <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"19\" class=\"wp-image-23437\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_287-37.png\" alt=\"IMG_287\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"25\" class=\"wp-image-23438\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_288-37.png\" alt=\"IMG_288\" \/> c\u00f3 hai nghi\u1ec7m \u00e2m ph\u00e2n bi\u1ec7t<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"372\" height=\"29\" class=\"wp-image-23439\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_289-38.png\" alt=\"IMG_289\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_289-38.png 372w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_289-38-300x23.png 300w\" sizes=\"(max-width: 372px) 100vw, 372px\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23440\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_290-37.png\" alt=\"IMG_290\" \/> H\u00e0m s\u1ed1 c\u00f3 hai \u0111i\u1ec3m c\u1ef1c tr\u1ecb tr\u00e1i d\u1ea5u <img loading=\"lazy\" decoding=\"async\" width=\"25\" height=\"19\" class=\"wp-image-23441\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_291-37.png\" alt=\"IMG_291\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"25\" class=\"wp-image-23442\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_292-37.png\" alt=\"IMG_292\" \/> c\u00f3 hai nghi\u1ec7m tr\u00e1i d\u1ea5u<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"227\" height=\"29\" class=\"wp-image-23443\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_293-37.png\" alt=\"IMG_293\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23444\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_294-36.png\" alt=\"IMG_294\" \/> H\u00e0m s\u1ed1 c\u00f3 hai c\u1ef1c tr\u1ecb c\u00f3 gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u00f9ng d\u1ea5u <img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"29\" class=\"wp-image-23445\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_295-35.png\" alt=\"IMG_295\" \/> .<\/p>\n<p><strong>V\u00ed d\u1ee5 : <\/strong>\u0110\u1ecbnh m \u0111\u1ec3 h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"249\" height=\"32\" class=\"wp-image-23446\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_296-35.png\" alt=\"IMG_296\" \/> c\u00f3 c\u1ef1c tr\u1ecb tr\u00e1i d\u1ea5u .<\/p>\n<p><strong>L\u1eddi gi\u1ea3i.<\/strong><\/p>\n<p>H\u00e0m s\u1ed1 \u0111\u00e3 cho x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"54\" height=\"20\" class=\"wp-image-23447\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_297-35.png\" alt=\"IMG_297\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_297-35.png 54w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_297-35-50x20.png 50w\" sizes=\"(max-width: 54px) 100vw, 54px\" \/><\/p>\n<p>Ta c\u00f3: <img loading=\"lazy\" decoding=\"async\" width=\"204\" height=\"32\" class=\"wp-image-23448\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_298-35.png\" alt=\"IMG_298\" \/><\/p>\n<p>H\u00e0m s\u1ed1 c\u00f3 c\u1ef1c tr\u1ecb tr\u00e1i d\u1ea5u nhau khi v\u00e0 ch\u1ec9 khi <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"25\" class=\"wp-image-23449\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_299-36.png\" alt=\"IMG_299\" \/> c\u00f3 hai nghi\u1ec7m ph\u00e2n bi\u1ec7t <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"29\" class=\"wp-image-23450\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_300-36.png\" alt=\"IMG_300\" \/> th\u1ecfa m\u00e3n <img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"29\" class=\"wp-image-23451\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_301-36.png\" alt=\"IMG_301\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"227\" height=\"32\" class=\"wp-image-23452\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_302-36.png\" alt=\"IMG_302\" \/><\/p>\n<p>V\u1eady, v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"20\" class=\"wp-image-23453\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_303-36.png\" alt=\"IMG_303\" \/> th\u00ec h\u00e0m s\u1ed1 c\u00f3 c\u1ef1c tr\u1ecb tr\u00e1i d\u1ea5u nhau .<\/p>\n<p><strong>C\u00c1C B\u00c0I TO\u00c1N LUY\u1ec6N T\u1eacP<\/strong><\/p>\n<p><strong>B\u00e0i 1: <\/strong>T\u00ecm m \u0111\u1ec3 h\u00e0m s\u1ed1 :<\/p>\n<p><strong>1. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"172\" height=\"54\" class=\"wp-image-23454\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_304-36.png\" alt=\"IMG_304\" \/> c\u00f3 hai \u0111i\u1ec3m c\u1ef1c tr\u1ecb v\u00e0 hai gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u00f9ng d\u1ea5u.<\/p>\n<p><strong>2. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"249\" height=\"35\" class=\"wp-image-23455\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_305-36.png\" alt=\"IMG_305\" \/> \u0111\u1ea1t c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u \u0111\u1ed3ng th\u1eddi hai gi\u00e1 tr\u1ecb c\u1ef1c tr\u1ecb c\u00f9ng d\u1ea5u.<\/p>\n<p><strong>3. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"275\" height=\"32\" class=\"wp-image-23456\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_306-36.png\" alt=\"IMG_306\" \/> c\u00f3 hai c\u1ef1c tr\u1ecb tr\u00e1i d\u1ea5u.<\/p>\n<p><strong>B\u00e0i 2:<\/strong> T\u00ecm m \u0111\u1ec3 h\u00e0m s\u1ed1 :<\/p>\n<p><strong>1. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"54\" class=\"wp-image-23457\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_307-36.png\" alt=\"IMG_307\" \/> \u0111\u1ea1t c\u1ef1c tr\u1ecb t\u1ea1i hai \u0111i\u1ec3m tr\u00e1i d\u1ea5u.<\/p>\n<p><strong>2. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"284\" height=\"32\" class=\"wp-image-23458\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_308-36.png\" alt=\"IMG_308\" \/> c\u00f3 c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u. Ch\u1ee9ng minh r\u1eb1ng khi \u0111\u00f3 hai \u0111i\u1ec3m c\u1ef1c tr\u1ecb lu\u00f4n c\u00e1ch \u0111\u1ec1u \u0111\u01b0\u1eddng th\u1eb3ng <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"22\" class=\"wp-image-23459\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_309-35.png\" alt=\"IMG_309\" \/> .<\/p>\n<p><strong>3. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"232\" height=\"32\" class=\"wp-image-23460\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_310-36.png\" alt=\"IMG_310\" \/> c\u00f3 c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u \u0111\u1ed3ng th\u1eddi gi\u00e1 tr\u1ecb c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u c\u1ee7a h\u00e0m s\u1ed1 tr\u00e1i d\u1ea5u nhau.<\/p>\n<p><strong>B\u00e0i to\u00e1n 02: T\u00ccM \u0110I\u1ec0U KI\u1ec6N \u0110\u1ec2 H\u00c0M S\u1ed0 C\u00d3 C\u1ef0C \u0110\u1ea0I, C\u1ef0C TI\u1ec2U N\u1eb0M V\u1ec0 M\u1ed8T PH\u00cdA, HAI PH\u00cdA C\u1ee6A H\u1ec6 TR\u1ee4C T\u1eccA \u0110\u1ed8.<\/strong><\/p>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p .<\/strong><\/p>\n<p>Gi\u1ea3 s\u1eed <img loading=\"lazy\" decoding=\"async\" width=\"125\" height=\"32\" class=\"wp-image-23461\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_311-35.png\" alt=\"IMG_311\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23462\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_312-35.png\" alt=\"IMG_312\" \/> H\u00e0m s\u1ed1 c\u00f3 hai c\u1ef1c tr\u1ecb n\u1eb1m v\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"20\" class=\"wp-image-23463\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_313-34.png\" alt=\"IMG_313\" \/> ph\u00eda \u0111\u1ed1i v\u1edbi tung <img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"29\" class=\"wp-image-23464\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_314-34.png\" alt=\"IMG_314\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23465\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_315-34.png\" alt=\"IMG_315\" \/> H\u00e0m s\u1ed1 c\u00f3 hai c\u1ef1c tr\u1ecb n\u1eb1m v\u1ec1 <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"20\" class=\"wp-image-23466\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_316-34.png\" alt=\"IMG_316\" \/> ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c tung <img loading=\"lazy\" decoding=\"async\" width=\"95\" height=\"29\" class=\"wp-image-23467\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_317-34.png\" alt=\"IMG_317\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23468\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_318-34.png\" alt=\"IMG_318\" \/> H\u00e0m s\u1ed1 c\u00f3 hai c\u1ef1c tr\u1ecb n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh <img loading=\"lazy\" decoding=\"async\" width=\"192\" height=\"29\" class=\"wp-image-23469\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_319-34.png\" alt=\"IMG_319\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23470\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_320-34.png\" alt=\"IMG_320\" \/> H\u00e0m s\u1ed1 c\u00f3 hai c\u1ef1c tr\u1ecb n\u1eb1m d\u01b0\u1edbi tr\u1ee5c ho\u00e0nh <img loading=\"lazy\" decoding=\"async\" width=\"192\" height=\"29\" class=\"wp-image-23471\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_321-33.png\" alt=\"IMG_321\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"17\" class=\"wp-image-23472\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_322-33.png\" alt=\"IMG_322\" \/> H\u00e0m s\u1ed1 c\u00f3 c\u1ef1c tr\u1ecb ti\u1ebfp x\u00fac v\u1edbi tr\u1ee5c ho\u00e0nh <img loading=\"lazy\" decoding=\"async\" width=\"97\" height=\"29\" class=\"wp-image-23473\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_323-31.png\" alt=\"IMG_323\" \/> .<\/p>\n<p><strong>C\u00e1c v\u00ed d\u1ee5<\/strong><\/p>\n<p><strong>V\u00ed d\u1ee5 1 : <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"197\" height=\"32\" class=\"wp-image-23474\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_324-31.png\" alt=\"IMG_324\" \/> ( <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23475\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_325-31.png\" alt=\"IMG_325\" \/> l\u00e0 tham s\u1ed1) c\u00f3 \u0111\u1ed3 th\u1ecb l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"32\" class=\"wp-image-23476\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_326-31.png\" alt=\"IMG_326\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_326-31.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_326-31-50x32.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> X\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23477\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_327-31.png\" alt=\"IMG_327\" \/> \u0111\u1ec3 <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"32\" class=\"wp-image-23478\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_328-30.png\" alt=\"IMG_328\" \/> c\u00f3 c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u n\u1eb1m v\u1ec1 hai ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c ho\u00e0nh.<\/p>\n<p><strong>L\u1eddi gi\u1ea3i.<\/strong><\/p>\n<p>H\u00e0m s\u1ed1 \u0111\u00e3 cho x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"54\" height=\"20\" class=\"wp-image-23479\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_329-30.png\" alt=\"IMG_329\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_329-30.png 54w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_329-30-50x20.png 50w\" sizes=\"(max-width: 54px) 100vw, 54px\" \/><\/p>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh ho\u00e0nh \u0111\u1ed9 giao \u0111i\u1ec3m c\u1ee7a <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"32\" class=\"wp-image-23480\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_330-30.png\" alt=\"IMG_330\" \/> v\u00e0 tr\u1ee5c ho\u00e0nh:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"195\" height=\"29\" class=\"wp-image-23481\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_331-30.png\" alt=\"IMG_331\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"32\" class=\"wp-image-23482\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_332-30.png\" alt=\"IMG_332\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"22\" class=\"wp-image-23483\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_333-30.png\" alt=\"IMG_333\" \/> ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"194\" height=\"32\" class=\"wp-image-23484\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_334-29.png\" alt=\"IMG_334\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"29\" height=\"32\" class=\"wp-image-23485\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_335-29.png\" alt=\"IMG_335\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"32\" class=\"wp-image-23486\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_336-29.png\" alt=\"IMG_336\" \/> c\u00f3 c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u n\u1eb1m v\u1ec1 hai ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c ho\u00e0nh khi <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"32\" class=\"wp-image-23487\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_337-29.png\" alt=\"IMG_337\" \/> c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"22\" class=\"wp-image-23488\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_338-29.png\" alt=\"IMG_338\" \/> nghi\u1ec7m ph\u00e2n bi\u1ec7t t\u1ee9c ph\u01b0\u01a1ng tr\u00ecnh <img loading=\"lazy\" decoding=\"async\" width=\"29\" height=\"32\" class=\"wp-image-23489\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_339-28.png\" alt=\"IMG_339\" \/> c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"20\" class=\"wp-image-23490\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_340-28.png\" alt=\"IMG_340\" \/> nghi\u1ec7m ph\u00e2n bi\u1ec7t kh\u00e1c <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"20\" class=\"wp-image-23491\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_341-28.png\" alt=\"IMG_341\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"164\" height=\"62\" class=\"wp-image-23492\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_342-28.png\" alt=\"IMG_342\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"72\" height=\"22\" class=\"wp-image-23493\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_343-27.png\" alt=\"IMG_343\" \/><\/p>\n<p>V\u1eady, v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"22\" class=\"wp-image-23494\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_344-27.png\" alt=\"IMG_344\" \/> th\u00ec h\u00e0m s\u1ed1 c\u00f3 c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u n\u1eb1m v\u1ec1 hai ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c ho\u00e0nh.<\/p>\n<p><strong>V\u00ed d\u1ee5 2 : <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"229\" height=\"49\" class=\"wp-image-23495\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_345-27.png\" alt=\"IMG_345\" \/> ( <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23496\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_346-26.png\" alt=\"IMG_346\" \/> l\u00e0 tham s\u1ed1) c\u00f3 \u0111\u1ed3 th\u1ecb l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"32\" class=\"wp-image-23497\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_347-25.png\" alt=\"IMG_347\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_347-25.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_347-25-50x32.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> X\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23498\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_348-24.png\" alt=\"IMG_348\" \/> \u0111\u1ec3 <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"32\" class=\"wp-image-23499\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_349-24.png\" alt=\"IMG_349\" \/> c\u00f3 c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u n\u1eb1m v\u1ec1 c\u00f9ng m\u1ed9t ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c tung.<\/p>\n<p><strong>L\u1eddi gi\u1ea3i.<\/strong><\/p>\n<p>H\u00e0m s\u1ed1 \u0111\u00e3 cho x\u00e1c \u0111\u1ecbnh <img loading=\"lazy\" decoding=\"async\" width=\"54\" height=\"20\" class=\"wp-image-23500\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_350-24.png\" alt=\"IMG_350\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_350-24.png 54w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_350-24-50x20.png 50w\" sizes=\"(max-width: 54px) 100vw, 54px\" \/><\/p>\n<p>Ta c\u00f3: <img loading=\"lazy\" decoding=\"async\" width=\"174\" height=\"32\" class=\"wp-image-23501\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_351-24.png\" alt=\"IMG_351\" \/><\/p>\n<p>\u0110\u1ed3 th\u1ecb <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"32\" class=\"wp-image-23502\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_352-24.png\" alt=\"IMG_352\" \/> c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"20\" class=\"wp-image-23503\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_353-24.png\" alt=\"IMG_353\" \/> \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u n\u1eb1m c\u00f9ng ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c tung \u00db <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"34\" class=\"wp-image-23504\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_354-24.png\" alt=\"IMG_354\" \/> c\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"15\" height=\"20\" class=\"wp-image-23505\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_355-24.png\" alt=\"IMG_355\" \/> nghi\u1ec7m ph\u00e2n bi\u1ec7t c\u00f9ng d\u1ea5u \u00db <img loading=\"lazy\" decoding=\"async\" width=\"167\" height=\"62\" class=\"wp-image-23506\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_356-24.png\" alt=\"IMG_356\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"77\" class=\"wp-image-23507\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_357-24.png\" alt=\"IMG_357\" \/><\/p>\n<p>V\u1eady, v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"49\" class=\"wp-image-23508\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_358-24.png\" alt=\"IMG_358\" \/> th\u00ec h\u00e0m s\u1ed1 c\u00f3 c\u00e1c \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i, c\u1ef1c ti\u1ec3u n\u1eb1m v\u1ec1 c\u00f9ng m\u1ed9t ph\u00eda \u0111\u1ed1i v\u1edbi tr\u1ee5c tung.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u01b0\u01a1ng ph\u00e1p . Ti\u1ebfn h\u00e0nh theo c\u00e1c b\u01b0\u1edbc sau: B\u01b0\u1edbc 1. T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a h\u00e0m s\u1ed1 f. B\u01b0\u1edbc 2. T\u00ednh . B\u01b0\u1edbc 3.S\u1eed d\u1ee5ng \u0111\u1ecbnh l\u00ed sau: \u201c N\u1ebfu h\u00e0m s\u1ed1 f c\u00f3 \u0111\u1ea1o h\u00e0m li\u00ean t\u1ee5c tr\u00ean (a,b) v\u00e0 .Th\u1ebf th\u00ec \u0111i\u1ec3m l\u00e0 \u0111i\u1ec3m c\u1ef1c tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 f n\u1ebfu v\u00e0 [&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-23405","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\/23405","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=23405"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/23405\/revisions"}],"predecessor-version":[{"id":23509,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/23405\/revisions\/23509"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=23405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=23405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=23405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}