T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 – Arkady Leokum<\/p>\n\n\n\n
K\u1ebft qu\u1ea3 s\u1ebd r\u00f5 r\u00e0ng v\u00e0 h\u1ee3p l\u00fd h\u01a1n khi c\u1ed9ng hai s\u1ed1 \u00e2m s\u1ebd cho k\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t s\u1ed1 \u00e2m nh\u1ecf h\u01a1n (\u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng v\u1edbi ng\u01b0\u1eddi c\u00f3 t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng r\u00fat qu\u00e1 m\u1ee9c c\u00f3 trong t\u00e0i kho\u1ea3n). C\u0169ng hi\u1ec3n nhi\u00ean v\u1edbi tr\u01b0\u1eddng h\u1ee3p nh\u00e2n c\u00e1c s\u1ed1 \u00e2m v\u1edbi c\u00e1c s\u1ed1 d\u01b0\u01a1ng s\u1ebd cho ra k\u1ebft qu\u1ea3 l\u00e0 s\u1ed1 \u00e2m (g\u1ea5p \u0111\u00f4i s\u1ed1 ti\u1ec1n r\u00fat qu\u00e1 t\u00e0i kho\u1ea3n c\u00f3 s\u1ebd l\u00e0 m\u1ed9t kho\u1ea3ng ti\u1ec1n b\u1ecb r\u00fat ra l\u1edbn h\u01a1n nhi\u1ec1u). Tuy nhi\u00ean c\u00e2u h\u1ecfi \u0111\u1eb7t ra l\u00e0 t\u1ea1i sao ph\u1ea3i \u0111\u1ed5i d\u1ea5u khi nh\u00e2n hai s\u1ed1 \u00e2m v\u1edbi nhau?<\/p>\n\n\n\n
C\u00f3 th\u1ec3 gi\u1ea3i th\u00edch \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch h\u00ecnh t\u01b0\u1ee3ng h\u00f3a hai s\u1ed1 \u00e2m v\u00e0 d\u01b0\u01a1ng tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng: v\u1ebd m\u1ed9t \u0111\u01b0\u1eddng tr\u1ee5c th\u1eb3ng ngang (tr\u1ee5c ho\u00e0nh) tr\u00ean t\u1edd gi\u1ea5y v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m gi\u1eefa c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng; \u0111\u00e2y l\u00e0 \u0111i\u1ec3m b\u1eb1ng kh\u00f4ng. Ph\u00e2n chia c\u00e1c kho\u1ea3ng b\u1eb1ng nhau v\u00e0 \u0111\u00e1nh c\u00e1c s\u1ed1 d\u01b0\u01a1ng t\u1eeb 1 \u0111\u1ebfn 10 ph\u00eda b\u00ean ph\u1ea3i c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng t\u00ednh t\u1eeb \u0111i\u1ec3m b\u1eb1ng 0. L\u00e0m t\u01b0\u01a1ng t\u1ef1 v\u1edbi ph\u00eda b\u00ean tr\u00e1i c\u1ee7a \u0111i\u1ec3m b\u1eb1ng 0 tr\u00ean \u0111\u01b0\u1eddng tr\u1ee5c ngang: -1; -2\u2026 -10. Ph\u00e9p nh\u00e2n b\u00e2y gi\u1edd tr\u1edf th\u00e0nh qu\u00e1 tr\u00ecnh d\u1ecbch chuy\u1ec3n theo m\u1ed9t h\u01b0\u1edbng c\u1ee5 th\u1ec3 t\u1eeb s\u1ed1 kh\u00f4ng v\u1edbi m\u1ed9t s\u1ed1 b\u01b0\u1edbc nh\u1ea3y cho tr\u01b0\u1edbc, m\u1ed7i b\u01b0\u1edbc nh\u1ea3y c\u00f3 \u0111\u1ed9 l\u1edbn kh\u00f4ng \u0111\u1ed5i.<\/p>\n\n\n\n
V\u00ed d\u1ee5 nh\u01b0 nh\u00e2n 2 v\u1edbi 3, b\u1eaft \u0111\u1ea7u t\u1ea1i \u0111i\u1ec3m 0 v\u00e0 h\u01b0\u1edbng v\u1ec1 b\u00ean ph\u1ea3i: s\u1ed1 2 s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng, t\u1ecbnh ti\u1ebfn qua b\u00ean ph\u1ea3i hai l\u1ea7n v\u1edbi ba \u0111\u01a1n v\u1ecb m\u1ed7i l\u1ea7n ti\u1ebfn (trong \u0111i\u1ec1u ki\u1ec7n s\u1ed1 3 l\u00e0 s\u1ed1 d\u01b0\u01a1ng). V\u00e0 k\u1ebft qu\u1ea3 l\u00e0 b\u1ea1n s\u1ebd \u1edf t\u1ea1i v\u1ecb tr\u00ed s\u1ed1 6, b\u00ean ph\u1ea3i c\u1ee7a \u0111i\u1ec3m 0, l\u00e0 s\u1ed1 d\u01b0\u01a1ng.<\/p>\n\n\n\n
Tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i, khi nh\u00e2n -2 v\u1edbi 3, b\u1eaft \u0111\u1ea7u t\u1ea1i \u0111i\u1ec3m 0, nh\u01b0ng l\u1ea7n n\u00e0y h\u01b0\u1edbng v\u1ec1 b\u00ean tr\u00e1i v\u00e0 s\u1ed1 2 s\u1ebd l\u00e0 m\u1ed9t s\u1ed1 \u00e2m, sau \u0111\u00f3 t\u1ecbnh ti\u1ebfn qua b\u00ean tr\u00e1i hai l\u1ea7n v\u1edbi ba \u0111\u01a1n v\u1ecb m\u1ed7i l\u1ea7n ti\u1ebfn (trong \u0111i\u1ec1u ki\u1ec7n s\u1ed1 3 c\u0169ng l\u00e0 s\u1ed1 d\u01b0\u01a1ng).<\/p>\n\n\n\n
Theo c\u00e1c quy \u01b0\u1edbc t\u01b0\u01a1ng t\u1ef1, khi nh\u00e2n -2 v\u1edbi -3, h\u01b0\u1edbng v\u1ec1 b\u00ean tr\u00e1i (v\u00ec s\u1ed1 2 l\u00e0 s\u1ed1 \u00e2m), nh\u01b0ng l\u1ea7n n\u00e0y t\u1ecbnh ti\u1ebfn theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i t\u1eeb \u0111i\u1ec3m 0 hai l\u1ea7n v\u1edbi ba \u0111\u01a1n v\u1ecb m\u1ed7i l\u1ea7n ti\u1ebfn, b\u1edfi v\u00ec s\u1ed1 3 c\u0169ng l\u00e0 m\u1ed9t s\u1ed1 \u00e2m. V\u00e0 k\u1ebft qu\u1ea3 l\u00e0 b\u1ea1n s\u1ebd \u1edf t\u1ea1i v\u1ecb tr\u00ed s\u1ed1 6, b\u00ean ph\u1ea3i c\u1ee7a \u0111i\u1ec3m 0, l\u00e0 s\u1ed1 d\u01b0\u01a1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 10 – Arkady Leokum K\u1ebft qu\u1ea3 s\u1ebd r\u00f5 r\u00e0ng v\u00e0 h\u1ee3p l\u00fd h\u01a1n khi c\u1ed9ng hai s\u1ed1 \u00e2m s\u1ebd cho k\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t s\u1ed1 \u00e2m nh\u1ecf h\u01a1n (\u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ki\u1ec3m ch\u1ee9ng v\u1edbi ng\u01b0\u1eddi c\u00f3 t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng r\u00fat qu\u00e1 […]<\/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":[15],"tags":[],"class_list":["post-16115","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16115","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=16115"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16115\/revisions"}],"predecessor-version":[{"id":16116,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/16115\/revisions\/16116"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=16115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=16115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=16115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}