{"id":22993,"date":"2021-12-17T16:54:27","date_gmt":"2021-12-17T09:54:27","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=22993"},"modified":"2021-12-17T16:54:28","modified_gmt":"2021-12-17T09:54:28","slug":"don-dieu-cua-ham-so","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/don-dieu-cua-ham-so\/","title":{"rendered":"\u0110\u01a0N \u0110I\u1ec6U C\u1ee6A H\u00c0M S\u1ed0"},"content":{"rendered":"<p><a id=\"post-22993-_Toc492701526\"><\/a><a id=\"post-22993-_Toc493273876\"><\/a><strong>A. CHU\u1ea8N KI\u1ebeN TH\u1ee8C<\/strong><\/p>\n<p><strong>T\u00d3M T\u1eaeT GI\u00c1O KHOA.<\/strong><\/p>\n<p><strong>1. \u0110\u1ecbnh ngh\u0129a : <\/strong><\/p>\n<p>Gi\u1ea3 s\u1eed <img decoding=\"async\" width=\"20\" height=\"20\" class=\"wp-image-22994\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_256-35.png\" alt=\"IMG_256\" \/> l\u00e0 m\u1ed9t kho\u1ea3ng , m\u1ed9t \u0111o\u1ea1n ho\u1eb7c m\u1ed9t n\u1eeda kho\u1ea3ng . H\u00e0m s\u1ed1 <img decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-22995\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_257-34.png\" alt=\"IMG_257\" \/> x\u00e1c \u0111\u1ecbnh tr\u00ean <img decoding=\"async\" width=\"20\" height=\"20\" class=\"wp-image-22996\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_258-35.png\" alt=\"IMG_258\" \/> \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-22997\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_259-33.png\" alt=\"IMG_259\" \/> \u0110\u1ed3ng bi\u1ebfn tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"20\" class=\"wp-image-22998\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_260-35.png\" alt=\"IMG_260\" \/> n\u1ebfu v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"154\" height=\"29\" class=\"wp-image-22999\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_261-32.png\" alt=\"IMG_261\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_261-32.png 154w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_261-32-150x29.png 150w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"124\" height=\"32\" class=\"wp-image-23000\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_262-33.png\" alt=\"IMG_262\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23001\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_263-34.png\" alt=\"IMG_263\" \/> Ngh\u1ecbch bi\u1ebfn tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"20\" height=\"20\" class=\"wp-image-23002\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_264-33.png\" alt=\"IMG_264\" \/> n\u1ebfu v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"155\" height=\"29\" class=\"wp-image-23003\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_265-33.png\" alt=\"IMG_265\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_265-33.png 155w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_265-33-150x29.png 150w\" sizes=\"(max-width: 155px) 100vw, 155px\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"125\" height=\"32\" class=\"wp-image-23004\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_266-33.png\" alt=\"IMG_266\" \/> .<\/p>\n<p><strong>2. \u0110i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 h\u00e0m s\u1ed1 \u0111\u01a1n \u0111i\u1ec7u : <\/strong><\/p>\n<p>Gi\u1ea3 s\u1eed h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23005\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_267-34.png\" alt=\"IMG_267\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23006\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_268-34.png\" alt=\"IMG_268\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23007\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_269-34.png\" alt=\"IMG_269\" \/> N\u1ebfu h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23008\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_270-32.png\" alt=\"IMG_270\" \/> \u0111\u1ed3ng bi\u1ebfn tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23009\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_271-34.png\" alt=\"IMG_271\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23010\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_272-34.png\" alt=\"IMG_272\" \/> v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"20\" class=\"wp-image-23011\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_273-32.png\" alt=\"IMG_273\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23012\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_274-33.png\" alt=\"IMG_274\" \/> N\u1ebfu h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23013\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_275-32.png\" alt=\"IMG_275\" \/> ngh\u1ecbch bi\u1ebfn tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23014\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_276-33.png\" alt=\"IMG_276\" \/> th\u00ec <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23015\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_277-33.png\" alt=\"IMG_277\" \/> v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"20\" class=\"wp-image-23016\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_278-34.png\" alt=\"IMG_278\" \/><\/p>\n<p><strong>3. \u0110i\u1ec1u ki\u1ec7n \u0111\u1ee7 \u0111\u1ec3 h\u00e0m s\u1ed1 \u0111\u01a1n \u0111i\u1ec7u : <\/strong><\/p>\n<p><strong><em>\u0110\u1ecbnh l\u00fd<\/em> : <\/strong><\/p>\n<p>Gi\u1ea3 s\u1eed <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23017\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_279-32.png\" alt=\"IMG_279\" \/> l\u00e0 m\u1ed9t kho\u1ea3ng ho\u1eb7c n\u1eeda kho\u1ea3ng ho\u1eb7c m\u1ed9t \u0111o\u1ea1n , <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23018\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_280-34.png\" alt=\"IMG_280\" \/> l\u00e0 h\u00e0m s\u1ed1 li\u00ean t\u1ee5c tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23019\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_281-33.png\" alt=\"IMG_281\" \/> v\u00e0 c\u00f3 \u0111\u1ea1o h\u00e0m t\u1ea1i m\u1ecdi \u0111i\u1ec3m trong c\u1ee7a <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23020\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_282-34.png\" alt=\"IMG_282\" \/> ( t\u1ee9c l\u00e0 \u0111i\u1ec3m thu\u1ed9c <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23021\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_283-33.png\" alt=\"IMG_283\" \/> nh\u01b0ng kh\u00f4ng ph\u1ea3i \u0111\u1ea7u m\u00fat c\u1ee7a <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23022\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_284-33.png\" alt=\"IMG_284\" \/> ) .Khi \u0111\u00f3 :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23023\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_285-34.png\" alt=\"IMG_285\" \/> N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23024\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_286-33.png\" alt=\"IMG_286\" \/> v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"20\" class=\"wp-image-23025\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_287-34.png\" alt=\"IMG_287\" \/> th\u00ec h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23026\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_288-34.png\" alt=\"IMG_288\" \/> \u0111\u1ed3ng bi\u1ebfn tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23027\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_289-35.png\" alt=\"IMG_289\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23028\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_290-34.png\" alt=\"IMG_290\" \/> N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23029\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_291-34.png\" alt=\"IMG_291\" \/> v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"20\" class=\"wp-image-23030\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_292-34.png\" alt=\"IMG_292\" \/> th\u00ec h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23031\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_293-34.png\" alt=\"IMG_293\" \/> ngh\u1ecbch bi\u1ebfn tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23032\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_294-33.png\" alt=\"IMG_294\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23033\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_295-32.png\" alt=\"IMG_295\" \/> N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23034\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_296-32.png\" alt=\"IMG_296\" \/> v\u1edbi m\u1ecdi <img loading=\"lazy\" decoding=\"async\" width=\"39\" height=\"20\" class=\"wp-image-23035\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_297-32.png\" alt=\"IMG_297\" \/> th\u00ec h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23036\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_298-32.png\" alt=\"IMG_298\" \/> kh\u00f4ng \u0111\u1ed5i tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23037\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_299-33.png\" alt=\"IMG_299\" \/><\/p>\n<p><strong><em>Ch\u00fa \u00fd : <\/em><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23038\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_300-33.png\" alt=\"IMG_300\" \/> N\u1ebfu h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23039\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_301-33.png\" alt=\"IMG_301\" \/> li\u00ean t\u1ee5c tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"32\" class=\"wp-image-23040\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_302-33.png\" alt=\"IMG_302\" \/> v\u00e0 c\u00f3 \u0111\u1ea1o h\u00e0m <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23041\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_303-33.png\" alt=\"IMG_303\" \/> tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"32\" class=\"wp-image-23042\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_304-33.png\" alt=\"IMG_304\" \/> th\u00ec h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23043\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_305-33.png\" alt=\"IMG_305\" \/> \u0111\u1ed3ng bi\u1ebfn tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"32\" class=\"wp-image-23044\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_306-33.png\" alt=\"IMG_306\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"27\" height=\"17\" class=\"wp-image-23045\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_307-33.png\" alt=\"IMG_307\" \/> N\u1ebfu h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23046\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_308-33.png\" alt=\"IMG_308\" \/> li\u00ean t\u1ee5c tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"32\" class=\"wp-image-23047\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_309-32.png\" alt=\"IMG_309\" \/> v\u00e0 c\u00f3 \u0111\u1ea1o h\u00e0m <img loading=\"lazy\" decoding=\"async\" width=\"69\" height=\"32\" class=\"wp-image-23048\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_310-33.png\" alt=\"IMG_310\" \/> tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"32\" class=\"wp-image-23049\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_311-32.png\" alt=\"IMG_311\" \/> th\u00ec h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23050\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_312-32.png\" alt=\"IMG_312\" \/> ngh\u1ecbch bi\u1ebfn tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"32\" class=\"wp-image-23051\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_313-31.png\" alt=\"IMG_313\" \/> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"15\" class=\"wp-image-23052\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_314-31.png\" alt=\"IMG_314\" \/> Ta c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u1ecbnh l\u00ed tr\u00ean nh\u01b0 sau<\/p>\n<p>Gi\u1ea3 s\u1eed h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23053\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_315-31.png\" alt=\"IMG_315\" \/> c\u00f3 \u0111\u1ea1o h\u00e0m tr\u00ean kho\u1ea3ng <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23054\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_316-31.png\" alt=\"IMG_316\" \/> . N\u1ebfu <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"25\" class=\"wp-image-23055\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_317-31.png\" alt=\"IMG_317\" \/> v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"20\" class=\"wp-image-23056\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_318-31.png\" alt=\"IMG_318\" \/><\/p>\n<p>( ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"25\" class=\"wp-image-23057\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_319-31.png\" alt=\"IMG_319\" \/> v\u1edbi <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"20\" class=\"wp-image-23058\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_320-31.png\" alt=\"IMG_320\" \/> ) v\u00e0 <img loading=\"lazy\" decoding=\"async\" width=\"65\" height=\"25\" class=\"wp-image-23059\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_321-30.png\" alt=\"IMG_321\" \/> t\u1ea1i m\u1ed9t s\u1ed1 h\u1eefu h\u1ea1n \u0111i\u1ec3m c\u1ee7a <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23060\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_322-30.png\" alt=\"IMG_322\" \/> th\u00ec h\u00e0m s\u1ed1 <img loading=\"lazy\" decoding=\"async\" width=\"14\" height=\"20\" class=\"wp-image-23061\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_323-28.png\" alt=\"IMG_323\" \/> \u0111\u1ed3ng bi\u1ebfn (ho\u1eb7c ngh\u1ecbch bi\u1ebfn) tr\u00ean <img loading=\"lazy\" decoding=\"async\" width=\"12\" height=\"20\" class=\"wp-image-23062\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_324-28.png\" alt=\"IMG_324\" \/> .<\/p>\n<p><strong><em>Ch\u00fa \u00fd.<\/em><\/strong><em> V\u1eadn d\u1ee5ng \u0111\u1ecbnh l\u00ed tr\u00ean v\u00e0o c\u00e1c h\u00e0m s\u1ed1 th\u01b0\u1eddng g\u1eb7p trong ch\u01b0\u01a1ng tr\u00ecnh.<\/em><\/p>\n<p><strong><em>*<\/em><\/strong><em>N\u1ebfu h\u00e0m s\u1ed1 f l\u00e0 h\u00e0m \u0111a th\u1ee9c (kh\u00f4ng k\u1ec3 h\u00e0m s\u1ed1 h\u1eb1ng) ho\u1eb7c f(x) = <\/em> <img loading=\"lazy\" decoding=\"async\" width=\"44\" height=\"52\" class=\"wp-image-23063\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_325-28.png\" alt=\"IMG_325\" \/><em>(trong \u0111\u00f3 P(x) l\u00e0 \u0111a th\u1ee9c b\u1eadc hai , Q(x) l\u00e0 \u0111a th\u1ee9c b\u1eadc nh\u1ea5t v\u00e0 P(x) kh\u00f4ng chia h\u1ebft cho Q(x) th\u00ec h\u00e0m s\u1ed1 f \u0111\u1ed3ng bi\u1ebfn (ngh\u1ecbch bi\u1ebfn ) tr\u00ean K <\/em> <img loading=\"lazy\" decoding=\"async\" width=\"222\" height=\"27\" class=\"wp-image-23064\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_326-28.png\" alt=\"IMG_326\" \/><em>.<\/em><\/p>\n<p><strong><em>*<\/em><\/strong><em>N\u1ebfu h\u00e0m s\u1ed1 f l\u00e0 h\u00e0m nh\u1ea5t bi\u1ebfn ,<\/em> <img loading=\"lazy\" decoding=\"async\" width=\"99\" height=\"49\" class=\"wp-image-23065\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_327-28.png\" alt=\"IMG_327\" \/><em>v\u1edbi a,b,c,d l\u00e0 c\u00e1c s\u1ed1 th\u1ef1c v\u00e0 ad \u2013 bc <\/em> <img loading=\"lazy\" decoding=\"async\" width=\"17\" height=\"17\" class=\"wp-image-23066\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_328-27.png\" alt=\"IMG_328\" \/><em>0 th\u00ec h\u00e0m s\u1ed1 f \u0111\u1ed3ng bi\u1ebfn (ngh\u1ecbch bi\u1ebfn ) tr\u00ean K <\/em> <img loading=\"lazy\" decoding=\"async\" width=\"222\" height=\"27\" class=\"wp-image-23067\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_329-27.png\" alt=\"IMG_329\" \/><\/p>\n<p><strong>B. LUY\u1ec6N K\u0128 N\u0102NG GI\u1ea2I C\u00c1C D\u1ea0NG B\u00c0I T\u1eacP.<\/strong><\/p>\n<p><strong>D\u1ea1ng 1: X\u00e9t s\u1ef1 \u0111\u1ed3ng bi\u1ebfn, ngh\u1ecbch bi\u1ebfn c\u1ee7a h\u00e0m s\u1ed1<\/strong><\/p>\n<p><strong>B\u00e0i to\u00e1n 01: X\u00c9T T\u00cdNH \u0110\u01a0N \u0110I\u1ec6U C\u1ee6A H\u00c0M S\u1ed0 TR\u00caN T\u1eacP X\u00c1C \u0110\u1ecaNH .<\/strong><\/p>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p .<\/strong><\/p>\n<p><strong>B1.<\/strong>T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a h\u00e0m s\u1ed1 f<\/p>\n<p><strong>B2<\/strong>. T\u00ednh \u0111\u1ea1o h\u00e0m f \u2019(x) v\u00e0 t\u00ecm c\u00e1c \u0111i\u1ec3m <img loading=\"lazy\" decoding=\"async\" width=\"24\" height=\"30\" class=\"wp-image-23068\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_330-27.png\" alt=\"IMG_330\" \/> sao cho <img loading=\"lazy\" decoding=\"async\" width=\"53\" height=\"31\" class=\"wp-image-23069\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_331-27.png\" alt=\"IMG_331\" \/> = 0 ho\u1eb7c <img loading=\"lazy\" decoding=\"async\" width=\"53\" height=\"31\" class=\"wp-image-23070\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_332-27.png\" alt=\"IMG_332\" \/> kh\u00f4ng x\u00e1c \u0111\u1ecbnh .<\/p>\n<p><strong>B3<\/strong>. L\u1eadp b\u1ea3ng x\u00e9t d\u1ea5u <img loading=\"lazy\" decoding=\"async\" width=\"45\" height=\"27\" class=\"wp-image-23071\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_333-27.png\" alt=\"IMG_333\" \/> ,d\u1ef1a v\u00e0o \u0111\u1ecbnh l\u00ed 1 ,n\u00eau k\u1ebft lu\u1eadn v\u1ec1 c\u00e1c kho\u1ea3ng \u0111\u1ed3ng bi\u1ebfn , ngh\u1ecbch bi\u1ebfn c\u1ee7a h\u00e0m s\u1ed1 .<\/p>\n<p><strong>B4. <\/strong>K\u1ebft lu\u1eadn.<\/p>\n<p><strong>C\u00e1c v\u00ed d\u1ee5<\/strong><\/p>\n<p><strong>V\u00ed d\u1ee5 1. <\/strong>T\u00ecm c\u00e1c kho\u1ea3ng \u0111\u1ed3ng bi\u1ebfn , ngh\u1ecbch bi\u1ebfn c\u1ee7a h\u00e0m s\u1ed1:<\/p>\n<p><strong>1. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"82\" height=\"49\" class=\"wp-image-23072\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_334-26.png\" alt=\"IMG_334\" \/> <strong>2. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"52\" height=\"49\" class=\"wp-image-23073\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_335-26.png\" alt=\"IMG_335\" \/><\/p>\n<p><strong>L\u1eddi gi\u1ea3i.<\/strong><\/p>\n<p><strong>1. <\/strong>T\u1eadp x\u00e1c \u0111\u1ecbnh : <img loading=\"lazy\" decoding=\"async\" width=\"89\" height=\"32\" class=\"wp-image-23074\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_336-26.png\" alt=\"IMG_336\" \/><\/p>\n<p>Ta c\u00f3: <img loading=\"lazy\" decoding=\"async\" width=\"122\" height=\"55\" class=\"wp-image-23075\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_337-26.png\" alt=\"IMG_337\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"59\" height=\"20\" class=\"wp-image-23076\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_338-26.png\" alt=\"IMG_338\" \/> ,suy ra h\u00e0m s\u1ed1 ngh\u1ecbch bi\u1ebfn tr\u00ean m\u1ed7i kho\u1ea3ng x\u00e1c \u0111\u1ecbnh .<\/p>\n<p>Gi\u1edbi h\u1ea1n <img loading=\"lazy\" decoding=\"async\" width=\"194\" height=\"37\" class=\"wp-image-23077\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_339-25.png\" alt=\"IMG_339\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"42\" class=\"wp-image-23078\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_340-25.png\" alt=\"IMG_340\" \/><\/p>\n<p>B\u1ea3ng bi\u1ebfn thi\u00ean:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"195\" class=\"wp-image-23079\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_341-25.png\" alt=\"IMG_341\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_341-25.png 425w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_341-25-300x138.png 300w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><\/p>\n<p>H\u00e0m s\u1ed1 ngh\u1ecbch bi\u1ebfn tr\u00ean c\u00e1c kho\u1ea3ng ( <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"25\" class=\"wp-image-23080\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_342-25.png\" alt=\"IMG_342\" \/> v\u00e0 ( <img loading=\"lazy\" decoding=\"async\" width=\"49\" height=\"25\" class=\"wp-image-23081\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_343-24.png\" alt=\"IMG_343\" \/><\/p>\n<p><strong>2. <\/strong>T\u1eadp x\u00e1c \u0111\u1ecbnh : <img loading=\"lazy\" decoding=\"async\" width=\"99\" height=\"32\" class=\"wp-image-23082\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_344-24.png\" alt=\"IMG_344\" \/><\/p>\n<p>Ta c\u00f3: <img loading=\"lazy\" decoding=\"async\" width=\"122\" height=\"55\" class=\"wp-image-23083\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_345-24.png\" alt=\"IMG_345\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"59\" height=\"20\" class=\"wp-image-23084\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_346-23.png\" alt=\"IMG_346\" \/> , suy ra h\u00e0m s\u1ed1 \u0111\u1ed3ng bi\u1ebfn tr\u00ean m\u1ed7i kho\u1ea3ng x\u00e1c \u0111\u1ecbnh .<\/p>\n<p>Gi\u1edbi h\u1ea1n <img loading=\"lazy\" decoding=\"async\" width=\"194\" height=\"37\" class=\"wp-image-23085\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_347-22.png\" alt=\"IMG_347\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"42\" class=\"wp-image-23086\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_348-21.png\" alt=\"IMG_348\" \/><\/p>\n<p>B\u1ea3ng bi\u1ebfn thi\u00ean:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"376\" height=\"201\" class=\"wp-image-23087\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_349-21.png\" alt=\"IMG_349\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_349-21.png 376w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_349-21-300x160.png 300w\" sizes=\"(max-width: 376px) 100vw, 376px\" \/><\/p>\n<p>H\u00e0m s\u1ed1 \u0111\u1ed3ng bi\u1ebfn tr\u00ean c\u00e1c kho\u1ea3ng ( <img loading=\"lazy\" decoding=\"async\" width=\"59\" height=\"25\" class=\"wp-image-23088\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_350-21.png\" alt=\"IMG_350\" \/> v\u00e0 ( <img loading=\"lazy\" decoding=\"async\" width=\"59\" height=\"25\" class=\"wp-image-23089\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_351-21.png\" alt=\"IMG_351\" \/><\/p>\n<p><strong>V\u00ed d\u1ee5 2. <\/strong>T\u00ecm c\u00e1c kho\u1ea3ng \u0111\u1ed3ng bi\u1ebfn , ngh\u1ecbch bi\u1ebfn c\u1ee7a h\u00e0m s\u1ed1:<\/p>\n<p><strong>1. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"70\" height=\"54\" class=\"wp-image-23090\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_352-21.png\" alt=\"IMG_352\" \/> <strong>2. <\/strong> <img loading=\"lazy\" decoding=\"async\" width=\"117\" height=\"54\" class=\"wp-image-23091\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_353-21.png\" alt=\"IMG_353\" \/><\/p>\n<p><strong>L\u1eddi gi\u1ea3i.<\/strong><\/p>\n<p><strong>1. <\/strong>T\u1eadp x\u00e1c \u0111\u1ecbnh : <img loading=\"lazy\" decoding=\"async\" width=\"89\" height=\"32\" class=\"wp-image-23092\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_354-21.png\" alt=\"IMG_354\" \/><\/p>\n<p>Ta c\u00f3: <img loading=\"lazy\" decoding=\"async\" width=\"105\" height=\"60\" class=\"wp-image-23093\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_355-21.png\" alt=\"IMG_355\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"62\" height=\"22\" class=\"wp-image-23094\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_356-21.png\" alt=\"IMG_356\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"59\" class=\"wp-image-23095\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_357-21.png\" alt=\"IMG_357\" \/><\/p>\n<p>Gi\u1edbi h\u1ea1n <img loading=\"lazy\" decoding=\"async\" width=\"209\" height=\"42\" class=\"wp-image-23096\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_358-21.png\" alt=\"IMG_358\" \/> <img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"37\" class=\"wp-image-23097\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_359-21.png\" alt=\"IMG_359\" \/><\/p>\n<p>B\u1ea3ng bi\u1ebfn thi\u00ean:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"440\" height=\"243\" class=\"wp-image-23098\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_360-20.png\" alt=\"IMG_360\" srcset=\"https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_360-20.png 440w, https:\/\/www.vietlearn.org\/kien-thuc\/wp-content\/uploads\/2021\/12\/img_360-20-300x166.png 300w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/p>\n<p>H\u00e0m s\u1ed1 ngh\u1ecbch bi\u1ebfn tr\u00ean c\u00e1c kho\u1ea3ng ( <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"25\" class=\"wp-image-23099\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_361-19.png\" alt=\"IMG_361\" \/> v\u00e0 ( <img loading=\"lazy\" decoding=\"async\" width=\"50\" height=\"25\" class=\"wp-image-23100\" src=\"https:\/\/www.vietlearn.org\/post\/wp-content\/uploads\/2021\/12\/img_362-19.png\" alt=\"IMG_362\" \/> ;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A. CHU\u1ea8N KI\u1ebeN TH\u1ee8C T\u00d3M T\u1eaeT GI\u00c1O KHOA. 1. \u0110\u1ecbnh ngh\u0129a : Gi\u1ea3 s\u1eed l\u00e0 m\u1ed9t kho\u1ea3ng , m\u1ed9t \u0111o\u1ea1n ho\u1eb7c m\u1ed9t n\u1eeda kho\u1ea3ng . H\u00e0m s\u1ed1 x\u00e1c \u0111\u1ecbnh tr\u00ean \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 : \u0110\u1ed3ng bi\u1ebfn tr\u00ean n\u1ebfu v\u1edbi m\u1ecdi Ngh\u1ecbch bi\u1ebfn tr\u00ean n\u1ebfu v\u1edbi . 2. \u0110i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ec3 h\u00e0m s\u1ed1 \u0111\u01a1n \u0111i\u1ec7u [&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-22993","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\/22993","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=22993"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/22993\/revisions"}],"predecessor-version":[{"id":23101,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/22993\/revisions\/23101"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=22993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=22993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=22993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}