T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 9 – Arkady Leokum<\/p>\n\n\n\n
S\u1ed1 h\u1ecdc l\u00e0 khoa h\u1ecdc v\u1ec1 c\u00e1c con s\u1ed1. N\u00f3 li\u00ean quan t\u1edbi \u00fd ngh\u0129a c\u1ee7a s\u1ed1, v\u1edbi nh\u1eefng d\u1ea5u hi\u1ec7u t\u01b0\u1ee3ng tr\u01b0ng v\u00e0 c\u00e1ch gi\u1ea3i c\u1ee7a ch\u00fang.<\/p>\n\n\n\n
Kh\u00f4ng ai \u201cph\u00e1t minh\u201d ra s\u1ed1 h\u1ecdc. N\u00f3 ph\u00e1t tri\u1ec3n v\u00ec \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a con ng\u01b0\u1eddi. Tr\u01b0\u1edbc ti\u00ean, ph\u1ea3i l\u00e0 nhu c\u1ea7u s\u1ed1 l\u01b0\u1ee3ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00ec t\u00ednh to\u00e1n. Tr\u01b0\u1edbc khi con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ebfm, h\u1ecd ph\u1ea3i c\u00f3 \u201cc\u1ea3m nh\u1eadn v\u1ec1 s\u1ed1\u201d. V\u00ed d\u1ee5 ng\u01b0\u1eddi ti\u1ec1n s\u1eed c\u00f3 th\u1ec3 n\u00f3i cho bi\u1ebft khi h\u1ecd h\u00e1i \u0111\u1ee7 s\u1ed1 d\u00e2u. M\u1ed9t ng\u01b0\u1eddi th\u1ee3 s\u0103n, ch\u1ec9 nh\u00ecn qua, c\u0169ng c\u00f3 th\u1ec3 cho bi\u1ebft, h\u1ecd m\u1ea5t m\u1ed9t c\u00e1i lao.<\/p>\n\n\n\n
Nh\u01b0ng th\u1eddi gian qua \u0111i, con ng\u01b0\u1eddi c\u1ea7n \u0111\u1ebfn s\u1ed1 v\u00e0 t\u00ean g\u1ecdi s\u1ed1. Ng\u01b0\u1eddi ch\u0103n s\u00fac v\u1eadt c\u1ea7n theo d\u1ea5u \u0111\u00e0n s\u00fac v\u1eadt c\u1ee7a h\u1ecd. N\u00f4ng d\u00e2n c\u1ea7n theo d\u1ea5u m\u00f9a v\u1ee5. V\u00ec th\u1ebf, v\u00e0o m\u1ed9t l\u00fac n\u00e0o kh\u00f4ng r\u00f5, nh\u01b0ng \u0111\u00e3 r\u1ea5t l\u00e2u, nh\u1eefng s\u1ed1 \u0111\u1ea7u ti\u00ean v\u00e0 t\u00ean c\u1ee7a s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t minh. \u0110\u00e2y l\u00e0 nh\u1eefng s\u1ed1 \u0111\u1ebfm, c\u00f2n g\u1ecdi l\u00e0 s\u1ed1 th\u1ef1c hay s\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n
V\u1ec1 sau, ng\u01b0\u1eddi ta c\u1ea7n c\u00f3 nh\u1eefng s\u1ed1 nh\u1ecf h\u01a1n m\u1ed9t, v\u00e0 nh\u1eefng s\u1ed1 \u1edf gi\u1eefa nh\u1eefng s\u1ed1 kh\u00e1c. Nh\u01b0 v\u1eady ph\u00e2n s\u1ed1 \u0111\u01b0\u1ee3c m\u1edf \u0111\u1ea7u. C\u00e0ng v\u1ec1 sau, c\u00e0ng c\u00f3 nhi\u1ec1u lo\u1ea1i s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, trong \u0111\u00f3 c\u00f3 lo\u1ea1i s\u1ed1 \u00e2m, nh\u01b0 -2 hay -7.<\/p>\n\n\n\n
\u00dd t\u01b0\u1edfng v\u1ec1 s\u1ed1 \u00e2m r\u1ea5t kh\u00f3 kh\u00e1m ph\u00e1. \u1ede n\u01b0\u1edbc Hy L\u1ea1p c\u1ed5 \u0111\u1ea1i, ng\u01b0\u1eddi ta bi\u1ebft r\u1eb1ng, n\u1ebfu l\u1ea5y 5 kh\u1ecfi 7, b\u1ea1n c\u00f2n l\u1ea1i 2. Nh\u01b0ng c\u00f3 th\u1ec3 n\u00e0o l\u1ea5y 7 kh\u1ecfi 5 kh\u00f4ng? Ng\u01b0\u1eddi Hy L\u1ea1p cho l\u00e0 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
M\u00e3i \u0111\u1ebfn th\u1eadp ni\u00ean 1500, ng\u01b0\u1eddi ta b\u1eaft \u0111\u1ea7u th\u1ea5y r\u1eb1ng c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 nh\u1ecf h\u01a1n s\u1ed1 0. V\u00ed d\u1ee5, l\u1ea5y 7 kh\u1ecfi 5 th\u00ec b\u1ea1n s\u1ebd c\u00f3 2 \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n 0, hay – 2.<\/p>\n\n\n\n
D\u00f9ng ph\u00e9p \u0111\u1ebfm l\u00e0 m\u1ed9t ti\u1ebfn tr\u00ecnh c\u0103n b\u1ea3n, con ng\u01b0\u1eddi h\u1ecdc b\u1ed1n ph\u00e9p t\u00ednh c\u0103n b\u1ea3n trong s\u1ed1 h\u1ecdc, \u0111\u00f3 l\u00e0 c\u00e1c ph\u00e9p c\u1ed9ng, tr\u1eeb, nh\u00e2n v\u00e0 chia.<\/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 9 – Arkady Leokum S\u1ed1 h\u1ecdc l\u00e0 khoa h\u1ecdc v\u1ec1 c\u00e1c con s\u1ed1. N\u00f3 li\u00ean quan t\u1edbi \u00fd ngh\u0129a c\u1ee7a s\u1ed1, v\u1edbi nh\u1eefng d\u1ea5u hi\u1ec7u t\u01b0\u1ee3ng tr\u01b0ng v\u00e0 c\u00e1ch gi\u1ea3i c\u1ee7a ch\u00fang. Kh\u00f4ng ai \u201cph\u00e1t minh\u201d ra s\u1ed1 h\u1ecdc. N\u00f3 ph\u00e1t tri\u1ec3n v\u00ec […]<\/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-15561","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\/15561","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=15561"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15561\/revisions"}],"predecessor-version":[{"id":15562,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15561\/revisions\/15562"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}