T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 5 – Arkady Leokum \u0111\u1ed1i v\u1edbi b\u1ea1n th\u00ec con s\u1ed1 \u201czero\u201d (s\u1ed1 kh\u00f4ng) c\u00f3 \u0111\u00e1ng g\u00ec \u0111\u00e2u m\u00e0 thi\u00ean h\u1ea1 tr\u1ea7m tr\u1ed3, xu\u00fdt xoa khen l\u00e0 \u201cs\u00e1ng t\u1ea1o v\u0129 \u0111\u1ea1i\u201d nh\u1ea5t c\u1ee7a con ng\u01b0\u1eddi? B\u1ea1n \u01a1i, \u0111\u1eebng \u0111\u00e1nh gi\u00e1 th\u1ea5p n\u00f3 nh\u00e9. \u0111\u00f3 th\u1eadt s\u1ef1 l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u00f3 \u1ea3nh h\u01b0\u1edfng v\u0129 \u0111\u1ea1i nh\u1ea5t trong l\u1ecbch s\u1eed s\u00e1ng t\u1ea1o c\u1ee7a lo\u00e0i ng\u01b0\u1eddi. B\u1edfi v\u00ec nh\u1edd n\u00f3 m\u00e0 to\u00e1n h\u1ecdc m\u1edbi c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n ng\u00e0y c\u00e0ng cao \u0111\u1ea5y.<\/p>\n\n\n\n
M\u00e3i cho \u0111\u1ebfn th\u1ebf k\u1ef7 th\u1ee9 XVI, h\u1ec7 th\u1ed1ng ch\u1eef s\u1ed1 \u0111\u01b0\u1ee3c d\u00f9ng \u1edf ch\u00e2u \u00c2u v\u1eabn l\u00e0 h\u1ec7 th\u1ed1ng ch\u1eef s\u1ed1 La M\u00e3 m\u00e0 ng\u01b0\u1eddi La M\u00e3 \u0111\u00e3 \u201cch\u1ebf\u201d ra c\u00e1ch \u0111\u00f3 h\u01a1n hai ng\u00e0n n\u0103m tr\u01b0\u1edbc. \u0111\u00f3 l\u00e0 h\u1ec7 th\u1ed1ng \u201cch\u1eef\u201d s\u1ed1 theo \u0111\u00fang ngh\u0129a \u0111en. Th\u00ed d\u1ee5: ch\u1eef I l\u00e0 s\u1ed1 1, ch\u1eef V l\u00e0 s\u1ed1 5, ch\u1eef X l\u00e0 s\u1ed1 10, ch\u1eef L l\u00e0 s\u1ed1 50, ch\u1eef C l\u00e0 s\u1ed1 100. \u0111\u1ec3 \u0111\u1ecdc s\u1ed1 La M\u00e3, c\u00f3 khi b\u1ea1n ph\u1ea3i l\u00e0m nh\u1ea9m m\u1ed9t b\u00e0i to\u00e1n ho\u1eb7c nhi\u1ec1u b\u00e0i to\u00e1n c\u1ed9ng ho\u1eb7c tr\u1eeb. Th\u00ed d\u1ee5: IV c\u00f3 ngh\u0129a l\u00e0 5 tr\u1eeb 1 t\u1ee9c l\u00e0 4, ho\u1eb7c VI l\u00e0 5 c\u1ed9ng 1 t\u1ee9c l\u00e0 6. B\u1ea1n th\u1eed \u0111\u1ecdc: MDCLXLVIII xem n\u00f3 l\u00e0 s\u1ed1 n\u00e0o, v\u00e0 ph\u1ea3i l\u00e0m bao nhi\u00eau ph\u00e9p t\u00ednh c\u1ed9ng, tr\u1eeb? S\u1ed1 1648 \u0111\u00f3.<\/p>\n\n\n\n
Th\u1eadt l\u00e0 r\u1eafc r\u1ed1i!<\/p>\n\n\n\n
Tr\u01b0\u1edbc C\u00f4ng nguy\u00ean r\u1ea5t l\u00e2u, ng\u01b0\u1eddi \u1ea4n \u0111\u1ed9 \u0111\u00e3 \u0111\u1eb7t ra h\u1ec7 th\u1ed1ng ch\u1eef s\u1ed1 \u201cti\u1ebfn b\u1ed9\u201d h\u01a1n h\u1ec7 th\u1ed1ng ch\u1eef s\u1ed1 La M\u00e3 b\u1ed9i ph\u1ea7n. H\u01a1n xa! H\u1ec7 th\u1ed1ng ch\u1eef s\u1ed1 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi \u1ea2 R\u1eadp du nh\u1eadp v\u00e0o ch\u00e2u \u00c2u t\u1eeb th\u1ebf k\u1ef7 th\u1ee9 IX v\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1 \u0111\u1ebfm \u1ea4n – \u1ea2 R\u1eadp. H\u1ec7 th\u1ed1ng n\u00e0y ch\u1ec9 c\u00f3 ch\u00edn ch\u1eef s\u1ed1 1, 2, 3\u2026 9 v\u00e0 ch\u1eef zero. C\u00e1c b\u1ea1n l\u01b0u \u00fd: zero kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1eef s\u1ed1 m\u00e0 l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a kh\u00e1i ni\u1ec7m \u201ckh\u00f4ng\u201d v\u00e0 \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 0. Trong c\u00e1ch vi\u1ebft \u201cch\u1eef s\u1ed1\u201d n\u00e0y, v\u1ecb tr\u00ed c\u1ee7a m\u1ed7i ch\u1eef s\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng. C\u0169ng v\u1eabn l\u00e0 ch\u1eef s\u1ed1 6 v\u00e0 9 ch\u1eb3ng h\u1ea1n, v\u1ecb tr\u00ed c\u1ee7a ch\u00fang kh\u00e1c nhau th\u00ec bi\u1ec3u t\u01b0\u1ee3ng s\u1ed1 l\u01b0\u1ee3ng kh\u00e1c nhau.<\/p>\n\n\n\n
R\u00f5 r\u00e0ng l\u00e0 96 th\u00ec l\u1edbn h\u01a1n 69.<\/p>\n\n\n\n
Ta l\u1ea5y s\u1ed1 20 ch\u1eb3ng h\u1ea1n \u0111\u1ec3 gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee7a ch\u1eef zero. S\u1ed1 2 \u0111\u1eb7t \u1edf h\u00e0ng ch\u1ee5c, zero \u0111\u1eb7t \u1edf h\u00e0ng \u0111\u01a1n v\u1ecb, c\u00f3 ngh\u0129a l\u00e0 hai ch\u1ee5c v\u00e0 KH\u00d4NG (\u0111\u01a0N V\u1eca) hay l\u00e0 hai m\u01b0\u01a1i \u0111\u01a1n v\u1ecb.<\/p>\n\n\n\n
H\u1ec7 ch\u1eef s\u1ed1 La M\u00e3 kh\u00f4ng c\u00f3 kh\u00e1i ni\u1ec7m zero. \u0111\u1ec3 vi\u1ebft 205 h\u1ec7 La M\u00e3 vi\u1ebft \u201cCCV\u201d. H\u1ec7 ch\u1eef s\u1ed1 \u1ea4n – \u1ea2 R\u1eadp \u0111\u1eb7t s\u1ed1 2 \u1edf h\u00e0ng tr\u0103m, ch\u1eef zero \u1edf h\u00e0ng ch\u1ee5c c\u00f3 ngh\u0129a l\u00e0 \u201cKH\u00d4NG CH\u1ee4C\u201d v\u00e0 ch\u1eef s\u1ed1 5 \u1edf h\u00e0ng \u0111\u01a1n v\u1ecb, c\u1ea3 ch\u1eef s\u1ed1 n\u00e0y c\u00f3 ngh\u0129a l\u00e0 hai tr\u0103m v\u00e0 5 \u0111\u01a1n v\u1ecb.<\/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 5 – Arkady Leokum \u0111\u1ed1i v\u1edbi b\u1ea1n th\u00ec con s\u1ed1 \u201czero\u201d (s\u1ed1 kh\u00f4ng) c\u00f3 \u0111\u00e1ng g\u00ec \u0111\u00e2u m\u00e0 thi\u00ean h\u1ea1 tr\u1ea7m tr\u1ed3, xu\u00fdt xoa khen l\u00e0 \u201cs\u00e1ng t\u1ea1o v\u0129 \u0111\u1ea1i\u201d nh\u1ea5t c\u1ee7a con ng\u01b0\u1eddi? B\u1ea1n \u01a1i, \u0111\u1eebng \u0111\u00e1nh gi\u00e1 th\u1ea5p n\u00f3 nh\u00e9. \u0111\u00f3 […]<\/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-14657","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\/14657","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=14657"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14657\/revisions"}],"predecessor-version":[{"id":14658,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/14657\/revisions\/14658"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=14657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=14657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=14657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}