{"id":223,"date":"2014-10-30T19:43:51","date_gmt":"2014-10-30T12:43:51","guid":{"rendered":"https:\/\/beta.engisv.info\/?p=223"},"modified":"2025-11-16T16:11:00","modified_gmt":"2025-11-16T09:11:00","slug":"doi-thap-phan-ra-nhi-phan-thap-luc-phan-bat-phan-va-nguoc-lai-phan-2-phan-le-hay-phan-phan","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=223","title":{"rendered":"\u0110\u1ed5i s\u1ed1 Th\u1eadp ph\u00e2n ra s\u1ed1 Nh\u1ecb ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n, B\u00e1t ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i &#8211; Ph\u1ea7n 2: ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n"},"content":{"rendered":"<p>B\u00e0i tr\u01b0\u1edbc \u0111\u00e3 gi\u1edbi thi\u1ec7u v\u1edbi c\u00e1c b\u1ea1n c\u00e1ch <a href=\"https:\/\/www.engisv.info\/?p=220\" target=\"_blank\" rel=\"noopener\">chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ph\u1ea7n nguy\u00ean c\u1ee7a m\u1ed9t s\u1ed1 Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n, B\u00e1t ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n<\/a>. Trong b\u00e0i n\u00e0y s\u1ebd n\u00f3i v\u1ec1 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i ph\u1ea7n l\u1ebb hay c\u00f2n g\u1ecdi l\u00e0 ph\u1ea7n ph\u00e2n. \u0110\u1ec3 \u0111\u1ed5i m\u1ed9t con s\u1ed1 Th\u1eadp ph\u00e2n c\u00f3 ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n, ta ti\u1ebfn h\u00e0nh nh\u01b0 sau (Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n):<\/p>\n<p>T\u00e1ch ph\u1ea7n nguy\u00ean v\u00e0 ph\u1ea7n l\u1ebb ra, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh \u0111\u1ed5i t\u1eebng ph\u1ea7n, ph\u1ea7n nguy\u00ean th\u1ef1c hi\u1ec7n nh\u01b0 b\u00e0i vi\u1ebft ph\u1ea7n 1, ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n ch\u00fang ta ti\u1ebfn h\u00e0nh nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 2, ta \u0111\u01b0\u1ee3c m\u1ed9t k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p nh\u00e2n, ta ghi l\u1ea1i ph\u1ea7n nguy\u00ean (c\u00f3 th\u1ec3 l\u00e0 0 ho\u1eb7c 1), sau \u0111\u00f3 l\u1ea5y ph\u1ea7n l\u1ebb c\u1ee7a k\u1ebft qu\u1ea3 ti\u1ebfp t\u1ee5c nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 2, l\u00e0m t\u01b0\u01a1ng t\u1ef1 cho \u0111\u1ebfn khi k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c ph\u1ea7n l\u1ebb b\u1eb1ng 0.<\/p>\n<p>V\u00ed d\u1ee5 ta mu\u1ed1n \u0111\u1ed5i s\u1ed1 9,625 th\u00e0nh Nh\u1ecb ph\u00e2n, ta t\u00e1ch s\u1ed1 ra th\u00e0nh 2 ph\u1ea7n, ph\u1ea7n nguy\u00ean l\u00e0 9 v\u00e0 ph\u1ea7n l\u1ebb l\u00e0 0,625.<\/p>\n<p>Theo nh\u01b0 Ph\u1ea7n 1 ta c\u00f3 gi\u00e1 tr\u1ecb Nh\u1ecb ph\u00e2n c\u1ee7a 9 l\u00e0 1001, v\u1eady b\u00e2y gi\u1edd ta t\u00ecm gi\u00e1 tr\u1ecb c\u1ee7a 0,625, ta l\u1ea5y 0,625 nh\u00e2n v\u1edbi 2 ta \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 l\u00e0 1,25 v\u1eady ph\u1ea7n nguy\u00ean s\u1ebd l\u00e0 1 v\u00e0 ph\u1ea7n l\u1ebb l\u00e0 0,25 ghi l\u1ea1i 1 v\u00e0 ti\u1ebfp t\u1ee5c l\u1ea5y 0,25 nh\u00e2n v\u1edbi 2, ta l\u00e0m cho \u0111\u1ebfn khi n\u00e0o \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ph\u1ea7n l\u1ebb b\u1eb1ng 0 c\u00f2n th\u00ec ng\u1eebng. L\u01b0u \u00fd l\u00e0 n\u1ebfu k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p nh\u00e2n c\u00f3 ph\u1ea7n nguy\u00ean l\u00e0 0 th\u00ec c\u0169ng ph\u1ea3i ghi l\u1ea1i ph\u1ea7n nguy\u00ean l\u00e0 0, v\u00ed d\u1ee5 l\u00e0 0,25 nh\u00e2n 2 k\u1ebft qu\u1ea3 l\u00e0 0,5 v\u1eady ph\u1ea7n nguy\u00ean l\u00e0 0\u00a0(b\u1ea1n c\u00f3 th\u1ec3 xem b\u1ea3ng d\u01b0\u1edbi \u0111\u1ec3 bi\u1ebft c\u00e1ch t\u00ednh).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5645 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan2-1.png\" alt=\"\" width=\"617\" height=\"111\" srcset=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan2-1.png 617w, https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan2-1-300x54.png 300w\" sizes=\"auto, (max-width: 617px) 100vw, 617px\" \/><\/p>\n<p>Sau khi th\u1ef1c hi\u1ec7n xong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i, b\u1ea1n ghi l\u1ea1i k\u1ebft qu\u1ea3 d\u00e3y s\u1ed1 t\u1eeb tr\u00ean xu\u1ed1ng (theo h\u00ecnh m\u0169i t\u00ean m\u00e0u xanh). V\u1eady k\u1ebft qu\u1ea3 c\u1ee7a 0,625 l\u00e0 101, gh\u00e9p v\u1edbi ph\u1ea7n nguy\u00ean ta c\u00f3: 9,625 = 1001.101.<\/p>\n<p><strong><em><span style=\"text-decoration: underline;\">L\u01b0u \u00fd:<\/span><\/em><\/strong> C\u00f3 nh\u1eefng s\u1ed1 l\u1ebb khi \u0111\u1ed5i, ta nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 th\u00ec k\u1ebft qu\u1ea3 tr\u1ea3 ra m\u00e0 \u1edf ph\u1ea7n l\u1ebb kh\u00f4ng b\u1eb1ng 0, nh\u1eefng s\u1ed1 n\u00e0y l\u00e0 nh\u1eefng s\u1ed1 v\u00f4 h\u1ea1n tu\u1ea7n ho\u00e0n, vi\u1ec7c d\u1eebng \u1edf \u0111\u00e2u l\u00e0 do ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n ph\u00e9p chuy\u1ec3n \u0111\u1ed5i quy\u1ebft \u0111\u1ecbnh, l\u1ea5y c\u00e0ng nhi\u1ec1u th\u00ec sai s\u1ed1 c\u00e0ng l\u1edbn.<\/p>\n<p>\u0110\u1ec3 \u0111\u1ed5i ng\u01b0\u1ee3c l\u1ea1i, ta th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<p>Nh\u00e2n l\u1ea7n l\u01b0\u1ee3c c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a d\u00e3y Nh\u1ecb ph\u00e2n v\u1edbi 2<sup>-1<\/sup> \u0111\u1ebfn 2<sup>-n<\/sup> (v\u1edbi n l\u00e0 s\u1ed1 ph\u1ea7n t\u1eed c\u1ee7a d\u00e3y s\u1ed1) theo chi\u1ec1u m\u0169i t\u00ean m\u00e0u \u0111\u1ecf, sau \u0111\u00f3 ta l\u1ea5y t\u1ed5ng c\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p nh\u00e2n tr\u00ean, ta \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb Th\u1eadp ph\u00e2n c\u1ee7a chu\u1ed5i Nh\u1ecb ph\u00e2n. \u1ede v\u00ed d\u1ee5 d\u01b0\u1edbi ta th\u1ea5y d\u00e3y 101 c\u00f3 k\u1ebft qu\u1ea3 Th\u1eadp ph\u00e2n l\u00e0 0,625.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5646 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan2-2.png\" alt=\"\" width=\"472\" height=\"208\" srcset=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan2-2.png 472w, https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan2-2-300x132.png 300w\" sizes=\"auto, (max-width: 472px) 100vw, 472px\" \/><\/p>\n<p>K\u1ebft h\u1ee3p v\u1edbi ph\u00e9p \u0111\u1ed5i Nh\u1ecb ph\u00e2n ra Th\u1eadp ph\u00e2n c\u1ee7a ph\u1ea7n nguy\u00ean th\u00ec ta \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb c\u1ee7a chu\u1ed5i 1001.101 l\u00e0 9,625.<\/p>\n<p>Vi\u1ec7c quy \u0111\u1ed5i \u1edf c\u00e1c h\u1ec7 B\u00e1t ph\u00e2n v\u00e0 Th\u1eadp l\u1ee5c ph\u00e2n c\u0169ng di\u1ec3n ra t\u01b0\u01a1ng t\u1ef1, b\u1ea1n c\u00f3 ch\u1ec9 c\u1ea7n thay c\u01a1 s\u1ed1 2 b\u1eb1ng 8 ho\u1eb7c 16.<\/p>\n<p><em><span style=\"text-decoration: underline;\"><strong>M\u1ed9t v\u00e0i l\u01b0u \u00fd:<\/strong><\/span><\/em><\/p>\n<ul>\n<li>\u0110\u1ed1i v\u1edbi vi\u1ec7c \u0111\u1ed5i Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n th\u00ec ph\u1ea7n nguy\u00ean c\u1ee7a ph\u00e9p nh\u00e2n lu\u00f4n l\u00e0 1 v\u00e0 0.<\/li>\n<li>\u0110\u1ed1i v\u1edbi vi\u1ec7c \u0111\u1ed5i\u00a0Th\u1eadp ph\u00e2n ra B\u00e1t ph\u00e2n th\u00ec ph\u1ea7n nguy\u00ean giao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 7.<\/li>\n<li>\u0110\u1ed1i v\u1edbi vi\u1ec7c \u0111\u1ed5i Th\u1eadp ph\u00e2n ra Th\u1eadp l\u1ee5c ph\u00e2n k\u1ebft qu\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec3n l\u00e0 0 \u0111\u1ebfn 9 khi ph\u1ea7n nguy\u00ean c\u1ee7a k\u1ebft qu\u1ea3 ch\u1ea1y t\u1eeb 0 \u0111\u1ebfn 9, n\u1ebfu ph\u1ea7n nguy\u00ean c\u00f3 gi\u00e1 tr\u1ecb t\u1eeb 10 \u0111\u1ebfn 15 th\u00ec \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec3n l\u00e0 A, B, C, D, E, F. Khi \u0111\u1ed5i ng\u01b0\u1ee3c ph\u1ea3i chuy\u1ec3n A, B, C, D, E, F ra th\u00e0nh s\u1ed1 t\u01b0\u01a1ng \u1ee9ng (tham chi\u1ebfu \u1ed5 b\u1ea3ng c\u1ee7a Ph\u1ea7n 1)r\u1ed3i th\u1ef1c hi\u1ec7n ph\u00e9p chuy\u1ec3n \u0111\u1ed5i.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i tr\u01b0\u1edbc \u0111\u00e3 gi\u1edbi thi\u1ec7u v\u1edbi c\u00e1c b\u1ea1n c\u00e1ch chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ph\u1ea7n nguy\u00ean c\u1ee7a m\u1ed9t s\u1ed1 Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n, B\u00e1t ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n. Trong b\u00e0i n\u00e0y s\u1ebd n\u00f3i v\u1ec1 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i ph\u1ea7n l\u1ebb hay c\u00f2n g\u1ecdi l\u00e0 ph\u1ea7n ph\u00e2n. \u0110\u1ec3 \u0111\u1ed5i m\u1ed9t con s\u1ed1 Th\u1eadp ph\u00e2n c\u00f3 ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n, ta ti\u1ebfn h\u00e0nh nh\u01b0 sau (Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n): T\u00e1ch ph\u1ea7n nguy\u00ean v\u00e0 ph\u1ea7n l\u1ebb ra, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh \u0111\u1ed5i t\u1eebng ph\u1ea7n, ph\u1ea7n nguy\u00ean th\u1ef1c hi\u1ec7n nh\u01b0 b\u00e0i vi\u1ebft ph\u1ea7n 1,&hellip;<\/p>\n","protected":false},"author":2,"featured_media":224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[20,7],"tags":[32],"class_list":["post-223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cac-khai-niem","category-kien-thuc","tag-chuyen-doi-co-so"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0110\u1ed5i s\u1ed1 Th\u1eadp ph\u00e2n ra s\u1ed1 Nh\u1ecb ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n, B\u00e1t ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i - Ph\u1ea7n 2: ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n - EngISV<\/title>\n<meta name=\"description\" content=\"B\u00e0i tr\u01b0\u1edbc \u0111\u00e3 gi\u1edbi thi\u1ec7u v\u1edbi c\u00e1c b\u1ea1n c\u00e1ch chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ph\u1ea7n nguy\u00ean c\u1ee7a m\u1ed9t s\u1ed1 Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n, B\u00e1t ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n. Trong b\u00e0i n\u00e0y s\u1ebd n\u00f3i v\u1ec1 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i ph\u1ea7n l\u1ebb hay c\u00f2n g\u1ecdi l\u00e0 ph\u1ea7n ph\u00e2n. \u0110\u1ec3 \u0111\u1ed5i m\u1ed9t con s\u1ed1 Th\u1eadp ph\u00e2n c\u00f3 ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n, ta ti\u1ebfn h\u00e0nh nh\u01b0 sau (Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engisv.info\/?p=223\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ed5i s\u1ed1 Th\u1eadp ph\u00e2n ra s\u1ed1 Nh\u1ecb ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n, B\u00e1t ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i - Ph\u1ea7n 2: ph\u1ea7n l\u1ebb hay ph\u1ea7n ph\u00e2n - EngISV\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i tr\u01b0\u1edbc \u0111\u00e3 gi\u1edbi thi\u1ec7u v\u1edbi c\u00e1c b\u1ea1n c\u00e1ch chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ph\u1ea7n nguy\u00ean c\u1ee7a m\u1ed9t s\u1ed1 Th\u1eadp ph\u00e2n ra Nh\u1ecb ph\u00e2n, B\u00e1t ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n. 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