{"id":22093,"date":"2021-12-17T16:36:47","date_gmt":"2021-12-17T09:36:47","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=22093"},"modified":"2021-12-17T16:36:48","modified_gmt":"2021-12-17T09:36:48","slug":"dao-ham","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/dao-ham\/","title":{"rendered":"\u0110\u1ea0O H\u00c0M"},"content":{"rendered":"<h3><a id=\"post-22093-_Toc492701526\"><\/a><a id=\"post-22093-_Toc493273876\"><\/a><strong>A. L\u00dd THUY\u1ebeT CHUNG<\/strong><\/h3>\n<p><strong>1. \u0110\u1ecbnh ngh\u0129a \u0111\u1ea1o h\u00e0m t\u1ea1i m\u1ed9t \u0111i\u1ec3m<\/strong><\/p>\n<p><strong><em>1.1. \u0110\u1ecbnh ngh\u0129a :<\/em><\/strong> Cho h\u00e0m s\u1ed1 <img decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22094\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_256-28.png\" alt=\"IMG_256\" \/> x\u00e1c \u0111\u1ecbnh tr\u00ean kho\u1ea3ng <img decoding=\"async\" width=\"59\" height=\"34\" class=\"wp-image-22095\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_257-27.png\" alt=\"IMG_257\" \/> v\u00e0 <img decoding=\"async\" width=\"95\" height=\"34\" class=\"wp-image-22096\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_258-28.png\" alt=\"IMG_258\" \/> , \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1 t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"21\" height=\"31\" class=\"wp-image-22097\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_259-26.png\" alt=\"IMG_259\" \/> l\u00e0 <em>:<\/em> <img loading=\"lazy\" decoding=\"async\" width=\"227\" height=\"62\" class=\"wp-image-22098\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_260-28.png\" alt=\"IMG_260\" \/> .<\/p>\n<p><strong><em>1.2. Ch\u00fa \u00fd :<\/em><\/strong><\/p>\n<p>\u00b7 N\u1ebfu k\u00ed hi\u1ec7u <img loading=\"lazy\" decoding=\"async\" width=\"307\" height=\"34\" class=\"wp-image-22099\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_261-25.png\" alt=\"IMG_261\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_261-25.png 307w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_261-25-300x33.png 300w\" sizes=\"(max-width: 307px) 100vw, 307px\" \/> th\u00ec :<br \/>\n<img loading=\"lazy\" decoding=\"async\" width=\"352\" height=\"62\" class=\"wp-image-22100\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_262-26.png\" alt=\"IMG_262\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_262-26.png 352w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_262-26-300x53.png 300w\" sizes=\"(max-width: 352px) 100vw, 352px\" \/> .<\/p>\n<p>\u00b7 N\u1ebfu h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22101\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_263-27.png\" alt=\"IMG_263\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"21\" height=\"31\" class=\"wp-image-22102\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_264-26.png\" alt=\"IMG_264\" \/> th\u00ec n\u00f3 li\u00ean t\u1ee5c t\u1ea1i \u0111i\u1ec3m \u0111\u00f3.<\/p>\n<p><strong>2. \u00dd ngh\u0129a c\u1ee7a \u0111\u1ea1o h\u00e0m<\/strong><\/p>\n<p><strong><em>2.1. \u00dd ngh\u0129a h\u00ecnh h\u1ecdc<\/em><\/strong><em>: <\/em>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22103\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_265-26.png\" alt=\"IMG_265\" \/> c\u00f3 \u0111\u1ed3 th\u1ecb <img loading=\"lazy\" decoding=\"async\" width=\"37\" height=\"34\" class=\"wp-image-22104\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_266-26.png\" alt=\"IMG_266\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"34\" class=\"wp-image-22105\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_267-27.png\" alt=\"IMG_267\" \/> l\u00e0 h\u1ec7 s\u1ed1 g\u00f3c c\u1ee7a ti\u1ebfp tuy\u1ebfn \u0111\u1ed3 th\u1ecb <img loading=\"lazy\" decoding=\"async\" width=\"37\" height=\"34\" class=\"wp-image-22106\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_268-27.png\" alt=\"IMG_268\" \/> c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22107\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_269-27.png\" alt=\"IMG_269\" \/> t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"146\" height=\"34\" class=\"wp-image-22108\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_270-25.png\" alt=\"IMG_270\" \/> .<\/p>\n<p>\u00b7 Ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22109\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_271-27.png\" alt=\"IMG_271\" \/> t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"146\" height=\"34\" class=\"wp-image-22110\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_272-27.png\" alt=\"IMG_272\" \/> l\u00e0 :<br \/>\n<img loading=\"lazy\" decoding=\"async\" width=\"197\" height=\"34\" class=\"wp-image-22111\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_273-25.png\" alt=\"IMG_273\" \/> .<\/p>\n<p><strong><em>2.2. \u00dd ngh\u0129a v\u1eadt l\u00ed :<\/em><\/strong><\/p>\n<p>\u00b7 V\u1eadn t\u1ed1c t\u1ee9c th\u1eddi c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng x\u00e1c \u0111\u1ecbnh b\u1edfi ph\u01b0\u01a1ng tr\u00ecnh : <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"34\" class=\"wp-image-22112\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_274-26.png\" alt=\"IMG_274\" \/> t\u1ea1i th\u1eddi \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"31\" class=\"wp-image-22113\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_275-25.png\" alt=\"IMG_275\" \/> l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"34\" class=\"wp-image-22114\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_276-26.png\" alt=\"IMG_276\" \/><em>.<\/em><\/p>\n<p>\u00b7 C\u01b0\u1eddng \u0111\u1ed9 t\u1ee9c th\u1eddi c\u1ee7a \u0111i\u1ec7n l\u01b0\u1ee3ng <img loading=\"lazy\" decoding=\"async\" width=\"79\" height=\"34\" class=\"wp-image-22115\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_277-26.png\" alt=\"IMG_277\" \/> t\u1ea1i th\u1eddi \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"31\" class=\"wp-image-22116\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_278-27.png\" alt=\"IMG_278\" \/> l\u00e0 : <img loading=\"lazy\" decoding=\"async\" width=\"119\" height=\"34\" class=\"wp-image-22117\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_279-25.png\" alt=\"IMG_279\" \/> .<\/p>\n<p><strong>3. Qui t\u1eafc t\u00ednh \u0111\u1ea1o h\u00e0m v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh \u0111\u1ea1o h\u00e0m<\/strong><\/p>\n<p><strong><em>3.1. C\u00e1c quy t\u1eafc :<\/em><\/strong> Cho <img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"34\" class=\"wp-image-22118\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_280-27.png\" alt=\"IMG_280\" \/> l\u00e0 h\u1eb1ng s\u1ed1 .<\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"129\" height=\"34\" class=\"wp-image-22119\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_281-26.png\" alt=\"IMG_281\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"356\" height=\"42\" class=\"wp-image-22120\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_282-27.png\" alt=\"IMG_282\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_282-27.png 356w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_282-27-300x35.png 300w\" sizes=\"(max-width: 356px) 100vw, 356px\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"356\" height=\"65\" class=\"wp-image-22121\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_283-26.png\" alt=\"IMG_283\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_283-26.png 356w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_283-26-300x55.png 300w\" sizes=\"(max-width: 356px) 100vw, 356px\" \/><\/p>\n<p>\u00b7 N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"292\" height=\"34\" class=\"wp-image-22122\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_284-26.png\" alt=\"IMG_284\" \/> .<\/p>\n<p><strong><em>3.2. C\u00e1c c\u00f4ng th\u1ee9c :<\/em><\/strong><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"165\" height=\"42\" class=\"wp-image-22123\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_285-27.png\" alt=\"IMG_285\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"492\" height=\"45\" class=\"wp-image-22124\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_286-26.png\" alt=\"IMG_286\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_286-26.png 492w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_286-26-300x27.png 300w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_286-26-480x45.png 480w\" sizes=\"(max-width: 492px) 100vw, 492px\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"413\" height=\"59\" class=\"wp-image-22125\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_287-27.png\" alt=\"IMG_287\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_287-27.png 413w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_287-27-300x43.png 300w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"365\" height=\"42\" class=\"wp-image-22126\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_288-27.png\" alt=\"IMG_288\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_288-27.png 365w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_288-27-300x35.png 300w\" sizes=\"(max-width: 365px) 100vw, 365px\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"374\" height=\"42\" class=\"wp-image-22127\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_289-28.png\" alt=\"IMG_289\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_289-28.png 374w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_289-28-300x34.png 300w\" sizes=\"(max-width: 374px) 100vw, 374px\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"52\" class=\"wp-image-22128\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_290-27.png\" alt=\"IMG_290\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_290-27.png 360w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_290-27-300x43.png 300w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/p>\n<p>\u00b7 <img loading=\"lazy\" decoding=\"async\" width=\"370\" height=\"52\" class=\"wp-image-22129\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_291-27.png\" alt=\"IMG_291\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_291-27.png 370w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_291-27-300x42.png 300w\" sizes=\"(max-width: 370px) 100vw, 370px\" \/> .<\/p>\n<p><strong>4. Vi ph\u00e2n<\/strong><\/p>\n<p><strong><em>4.1. \u0110\u1ecbnh ngh\u0129a :<\/em><\/strong><\/p>\n<p>\u00b7 Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22130\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_292-27.png\" alt=\"IMG_292\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"21\" height=\"31\" class=\"wp-image-22131\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_293-27.png\" alt=\"IMG_293\" \/> vi ph\u00e2n c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22132\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_294-27.png\" alt=\"IMG_294\" \/> t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"21\" height=\"31\" class=\"wp-image-22133\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_295-26.png\" alt=\"IMG_295\" \/> l\u00e0 :<br \/>\n<img loading=\"lazy\" decoding=\"async\" width=\"164\" height=\"34\" class=\"wp-image-22134\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_296-26.png\" alt=\"IMG_296\" \/> .<\/p>\n<p>\u00b7 Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22135\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_297-26.png\" alt=\"IMG_297\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m <img loading=\"lazy\" decoding=\"async\" width=\"55\" height=\"34\" class=\"wp-image-22136\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_298-26.png\" alt=\"IMG_298\" \/> th\u00ec t\u00edch <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22137\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_299-26.png\" alt=\"IMG_299\" \/> \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 vi ph\u00e2n c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"34\" class=\"wp-image-22138\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_300-26.png\" alt=\"IMG_300\" \/> . K\u00ed hi\u1ec7u : <img loading=\"lazy\" decoding=\"async\" width=\"240\" height=\"34\" class=\"wp-image-22139\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_301-26.png\" alt=\"IMG_301\" \/> hay <img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"27\" class=\"wp-image-22140\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_302-26.png\" alt=\"IMG_302\" \/> .<\/p>\n<p><strong><em>4.2. C\u00f4ng th\u1ee9c t\u00ednh g\u1ea7n \u0111\u00fang :<\/em><\/strong><br \/>\n<img loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"34\" class=\"wp-image-22141\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_303-26.png\" alt=\"IMG_303\" \/> .<\/p>\n<p><strong>5. \u0110\u1ea1o h\u00e0m c\u1ea5p cao<\/strong><\/p>\n<p><strong><em>5.1. \u0110\u1ea1o h\u00e0m c\u1ea5p 2 :<\/em><\/strong><\/p>\n<p>\u00b7 <em>\u0110\u1ecbnh ngh\u0129a :<\/em> <img loading=\"lazy\" decoding=\"async\" width=\"144\" height=\"45\" class=\"wp-image-22142\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_304-26.png\" alt=\"IMG_304\" \/><\/p>\n<p>\u00b7 <em>\u00dd ngh\u0129a c\u01a1 h\u1ecdc:<\/em> Gia t\u1ed1c t\u1ee9c th\u1eddi c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng <img loading=\"lazy\" decoding=\"async\" width=\"74\" height=\"34\" class=\"wp-image-22143\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_305-26.png\" alt=\"IMG_305\" \/> t\u1ea1i th\u1eddi \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"31\" class=\"wp-image-22144\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_306-26.png\" alt=\"IMG_306\" \/> l\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"120\" height=\"34\" class=\"wp-image-22145\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_307-26.png\" alt=\"IMG_307\" \/><em>.<\/em><\/p>\n<p><strong><em>5.2. \u0110\u1ea1o h\u00e0m c\u1ea5p cao :<\/em><\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"49\" class=\"wp-image-22146\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_308-26.png\" alt=\"IMG_308\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_308-26.png 320w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_308-26-300x46.png 300w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/> .<\/p>\n<h3><strong>B. B\u00c0I T\u1eacP<\/strong><\/h3>\n<h2><strong>T\u00cdNH \u0110\u1ea0O H\u00c0M<\/strong><\/h2>\n<p><strong>C\u00e2u 1: <\/strong>T\u00ecm <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"27\" class=\"wp-image-22147\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_309-25.png\" alt=\"IMG_309\" \/> \u0111\u1ec3 h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"208\" height=\"87\" class=\"wp-image-22148\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_310-26.png\" alt=\"IMG_310\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22149\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_311-25.png\" alt=\"IMG_311\" \/> .<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"62\" class=\"wp-image-22150\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_312-25.png\" alt=\"IMG_312\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"79\" height=\"62\" class=\"wp-image-22151\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_313-24.png\" alt=\"IMG_313\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"79\" height=\"62\" class=\"wp-image-22152\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_314-24.png\" alt=\"IMG_314\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"66\" height=\"62\" class=\"wp-image-22153\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_315-24.png\" alt=\"IMG_315\" \/> .<\/p>\n<p><strong>C\u00e2u 2: <\/strong>T\u00ecm <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"27\" class=\"wp-image-22154\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_316-24.png\" alt=\"IMG_316\" \/> \u0111\u1ec3 h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"197\" height=\"63\" class=\"wp-image-22155\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_317-24.png\" alt=\"IMG_317\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"102\" height=\"58\" class=\"wp-image-22156\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_318-24.png\" alt=\"IMG_318\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"55\" height=\"31\" class=\"wp-image-22157\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_319-24.png\" alt=\"IMG_319\" \/><\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"87\" height=\"27\" class=\"wp-image-22158\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_320-24.png\" alt=\"IMG_320\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"101\" height=\"27\" class=\"wp-image-22159\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_321-23.png\" alt=\"IMG_321\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"112\" height=\"27\" class=\"wp-image-22160\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_322-23.png\" alt=\"IMG_322\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"90\" height=\"27\" class=\"wp-image-22161\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_323-21.png\" alt=\"IMG_323\" \/> .<\/p>\n<p><strong>C\u00e2u 3: <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"268\" height=\"27\" class=\"wp-image-22162\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_324-21.png\" alt=\"IMG_324\" \/> . T\u00ednh <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"27\" class=\"wp-image-22163\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_325-21.png\" alt=\"IMG_325\" \/> .<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"24\" class=\"wp-image-22164\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_326-21.png\" alt=\"IMG_326\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"51\" height=\"24\" class=\"wp-image-22165\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_327-21.png\" alt=\"IMG_327\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"51\" height=\"24\" class=\"wp-image-22166\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_328-20.png\" alt=\"IMG_328\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"51\" height=\"24\" class=\"wp-image-22167\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_329-20.png\" alt=\"IMG_329\" \/> .<\/p>\n<p><strong>C\u00e2u 4: <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"236\" height=\"94\" class=\"wp-image-22168\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_330-20.png\" alt=\"IMG_330\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"87\" class=\"wp-image-22169\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_331-20.png\" alt=\"IMG_331\" \/> .Gi\u00e1 tr\u1ecb c\u1ee7a <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"27\" class=\"wp-image-22170\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_332-20.png\" alt=\"IMG_332\" \/> b\u1eb1ng:<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"19\" height=\"52\" class=\"wp-image-22171\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_333-20.png\" alt=\"IMG_333\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"33\" height=\"52\" class=\"wp-image-22172\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_334-19.png\" alt=\"IMG_334\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"52\" class=\"wp-image-22173\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_335-19.png\" alt=\"IMG_335\" \/> . <strong>D. <\/strong>Kh\u00f4ng t\u1ed3n t\u1ea1i.<\/p>\n<p><strong>C\u00e2u 5: <\/strong>V\u1edbi h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"132\" height=\"87\" class=\"wp-image-22174\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_336-19.png\" alt=\"IMG_336\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"109\" height=\"87\" class=\"wp-image-22175\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_337-19.png\" alt=\"IMG_337\" \/> .\u0110\u1ec3 t\u00ecm \u0111\u1ea1o h\u00e0m <img loading=\"lazy\" decoding=\"async\" width=\"81\" height=\"27\" class=\"wp-image-22176\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_338-19.png\" alt=\"IMG_338\" \/> m\u1ed9t <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> l\u1eadp lu\u1eadn qua c\u00e1c b\u01b0\u1edbc nh\u01b0 sau:<\/p>\n<p>1. <img loading=\"lazy\" decoding=\"async\" width=\"182\" height=\"58\" class=\"wp-image-22177\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_339-19.png\" alt=\"IMG_339\" \/> .<\/p>\n<p>2.Khi <img loading=\"lazy\" decoding=\"async\" width=\"56\" height=\"24\" class=\"wp-image-22178\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_340-19.png\" alt=\"IMG_340\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"34\" class=\"wp-image-22179\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_341-19.png\" alt=\"IMG_341\" \/> n\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"194\" height=\"34\" class=\"wp-image-22180\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_342-19.png\" alt=\"IMG_342\" \/> .<\/p>\n<p>3.Do <img loading=\"lazy\" decoding=\"async\" width=\"257\" height=\"37\" class=\"wp-image-22181\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_343-19.png\" alt=\"IMG_343\" \/> n\u00ean h\u00e0m s\u1ed1 li\u00ean t\u1ee5c t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22182\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_344-19.png\" alt=\"IMG_344\" \/> .<\/p>\n<p>4.T\u1eeb <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"27\" class=\"wp-image-22183\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_345-19.png\" alt=\"IMG_345\" \/> li\u00ean t\u1ee5c t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"113\" height=\"27\" class=\"wp-image-22184\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_346-18.png\" alt=\"IMG_346\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22185\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_347-17.png\" alt=\"IMG_347\" \/> .<\/p>\n<p>L\u1eadp lu\u1eadn tr\u00ean n\u1ebfu sai th\u00ec b\u1eaft \u0111\u1ea7u t\u1eeb b\u01b0\u1edbc:<\/p>\n<p><strong>A. <\/strong>B\u01b0\u1edbc 1. <strong>B. <\/strong>B\u01b0\u1edbc 2. <strong>C. <\/strong>B\u01b0\u1edbc 3. <strong>D. <\/strong>B\u01b0\u1edbc 4.<\/p>\n<p><strong>C\u00e2u 6: <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"137\" height=\"87\" class=\"wp-image-22186\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_348-16.png\" alt=\"IMG_348\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"107\" height=\"87\" class=\"wp-image-22187\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_349-16.png\" alt=\"IMG_349\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"27\" class=\"wp-image-22188\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_350-16.png\" alt=\"IMG_350\" \/> H\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"27\" class=\"wp-image-22189\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_351-16.png\" alt=\"IMG_351\" \/> li\u00ean t\u1ee5c t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22190\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_352-16.png\" alt=\"IMG_352\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"31\" height=\"27\" class=\"wp-image-22191\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_353-16.png\" alt=\"IMG_353\" \/> H\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"27\" class=\"wp-image-22192\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_354-16.png\" alt=\"IMG_354\" \/> kh\u00f4ng c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22193\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_355-16.png\" alt=\"IMG_355\" \/> .<\/p>\n<p>Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 tr\u00ean:<\/p>\n<p><strong>A. <\/strong>Ch\u1ec9 <img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"27\" class=\"wp-image-22194\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_356-16.png\" alt=\"IMG_356\" \/> \u0111\u00fang. <strong>B. <\/strong>Ch\u1ec9 <img loading=\"lazy\" decoding=\"async\" width=\"31\" height=\"27\" class=\"wp-image-22195\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_357-16.png\" alt=\"IMG_357\" \/> \u0111\u00fang. <strong>C. <\/strong>C\u1ea3 <img loading=\"lazy\" decoding=\"async\" width=\"58\" height=\"27\" class=\"wp-image-22196\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_358-16.png\" alt=\"IMG_358\" \/> \u0111\u1ec1u \u0111\u00fang. <strong>D. <\/strong>C\u1ea3 <img loading=\"lazy\" decoding=\"async\" width=\"58\" height=\"27\" class=\"wp-image-22197\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_359-16.png\" alt=\"IMG_359\" \/> \u0111\u1ec1u sai.<\/p>\n<p><strong>C\u00e2u 7: <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"140\" height=\"63\" class=\"wp-image-22198\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_360-16.png\" alt=\"IMG_360\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"77\" height=\"58\" class=\"wp-image-22199\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_361-16.png\" alt=\"IMG_361\" \/> .T\u00ecm <img loading=\"lazy\" decoding=\"async\" width=\"34\" height=\"27\" class=\"wp-image-22200\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_362-16.png\" alt=\"IMG_362\" \/> \u0111\u1ec3 h\u00e0m s\u1ed1 c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i <img loading=\"lazy\" decoding=\"async\" width=\"44\" height=\"24\" class=\"wp-image-22201\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_363-14.png\" alt=\"IMG_363\" \/><\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"104\" height=\"27\" class=\"wp-image-22202\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_364-16.png\" alt=\"IMG_364\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"101\" height=\"27\" class=\"wp-image-22203\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_365-16.png\" alt=\"IMG_365\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"90\" height=\"27\" class=\"wp-image-22204\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_366-16.png\" alt=\"IMG_366\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"87\" height=\"27\" class=\"wp-image-22205\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_367-16.png\" alt=\"IMG_367\" \/> .<\/p>\n<p><strong>C\u00e2u 8: <\/strong>\u0110\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"236\" height=\"66\" class=\"wp-image-22206\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_368-16.png\" alt=\"IMG_368\" \/> l\u00e0:<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"228\" height=\"90\" class=\"wp-image-22207\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_369-16.png\" alt=\"IMG_369\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"217\" height=\"90\" class=\"wp-image-22208\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_370-16.png\" alt=\"IMG_370\" \/> .<\/p>\n<p><strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"228\" height=\"90\" class=\"wp-image-22209\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_371-16.png\" alt=\"IMG_371\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"228\" height=\"90\" class=\"wp-image-22210\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_372-16.png\" alt=\"IMG_372\" \/> .<\/p>\n<p><strong>C\u00e2u 9: <\/strong>Cho h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"235\" height=\"90\" class=\"wp-image-22211\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_373-15.png\" alt=\"IMG_373\" \/> . T\u00ecm <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"19\" class=\"wp-image-22212\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_374-15.png\" alt=\"IMG_374\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"24\" class=\"wp-image-22213\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_375-15.png\" alt=\"IMG_375\" \/> \u0111\u1ec3 h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"34\" class=\"wp-image-22214\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_376-14.png\" alt=\"IMG_376\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"21\" height=\"21\" class=\"wp-image-22215\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_377-13.png\" alt=\"IMG_377\" \/> .<\/p>\n<p><strong>A. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22216\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_378-12.png\" alt=\"IMG_378\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"24\" class=\"wp-image-22217\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_379-12.png\" alt=\"IMG_379\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_379-12.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_379-12-50x24.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> . <strong>B. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"56\" height=\"24\" class=\"wp-image-22218\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_380-12.png\" alt=\"IMG_380\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"24\" class=\"wp-image-22219\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_381-12.png\" alt=\"IMG_381\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_381-12.png 52w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_381-12-50x24.png 50w\" sizes=\"(max-width: 52px) 100vw, 52px\" \/> . <strong>C. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"58\" height=\"24\" class=\"wp-image-22220\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_382-12.png\" alt=\"IMG_382\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"56\" height=\"24\" class=\"wp-image-22221\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_383-12.png\" alt=\"IMG_383\" \/> . <strong>D. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"47\" height=\"24\" class=\"wp-image-22222\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_384-12.png\" alt=\"IMG_384\" \/> , <img loading=\"lazy\" decoding=\"async\" width=\"42\" height=\"24\" class=\"wp-image-22223\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_385-12.png\" alt=\"IMG_385\" \/> .<\/p>\n<p><strong>C\u00e2u 10: <\/strong>\u0110\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"214\" height=\"31\" class=\"wp-image-22224\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_386-12.png\" alt=\"IMG_386\" \/> b\u1eb1ng bi\u1ec3u th\u1ee9c c\u00f3 d\u1ea1ng <img loading=\"lazy\" decoding=\"async\" width=\"303\" height=\"31\" class=\"wp-image-22225\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_387-10.png\" alt=\"IMG_387\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_387-10.png 303w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_387-10-300x31.png 300w\" sizes=\"(max-width: 303px) 100vw, 303px\" \/> . Khi \u0111\u00f3 <img loading=\"lazy\" decoding=\"async\" width=\"157\" height=\"27\" class=\"wp-image-22226\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_388-8.png\" alt=\"IMG_388\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_388-8.png 157w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_388-8-150x27.png 150w\" sizes=\"(max-width: 157px) 100vw, 157px\" \/> b\u1eb1ng:<\/p>\n<p><strong>A. <\/strong>0. <strong>B. <\/strong>2. <strong>C. <\/strong>3. <strong>D. <\/strong>5.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A. L\u00dd THUY\u1ebeT CHUNG 1. \u0110\u1ecbnh ngh\u0129a \u0111\u1ea1o h\u00e0m t\u1ea1i m\u1ed9t \u0111i\u1ec3m 1.1. \u0110\u1ecbnh ngh\u0129a : Cho h\u00e0m s\u1ed1 x\u00e1c \u0111\u1ecbnh tr\u00ean kho\u1ea3ng v\u00e0 , \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1 t\u1ea1i \u0111i\u1ec3m l\u00e0 : . 1.2. Ch\u00fa \u00fd : \u00b7 N\u1ebfu k\u00ed hi\u1ec7u th\u00ec : . \u00b7 N\u1ebfu h\u00e0m s\u1ed1 c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i th\u00ec [&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":[42],"tags":[],"class_list":["post-22093","post","type-post","status-publish","format-standard","hentry","category-toan-lop-11"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/22093","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=22093"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/22093\/revisions"}],"predecessor-version":[{"id":22227,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/22093\/revisions\/22227"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=22093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=22093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=22093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}