{"id":12798,"date":"2024-09-30T15:30:49","date_gmt":"2024-09-30T15:30:49","guid":{"rendered":"https:\/\/aucometoi.com\/?p=12798"},"modified":"2024-09-30T15:30:49","modified_gmt":"2024-09-30T15:30:49","slug":"dung-voi-vang-hay-cho-tre-bai-toan-don-gian-truoc","status":"publish","type":"post","link":"https:\/\/aucometoi.com\/en\/dung-voi-vang-hay-cho-tre-bai-toan-don-gian-truoc\/","title":{"rendered":"\u0110\u1eebng V\u1ed9i V\u00e0ng: H\u00e3y Cho Tr\u1ebb B\u00e0i To\u00e1n \u0110\u01a1n Gi\u1ea3n Tr\u01b0\u1edbc!"},"content":{"rendered":"

\u0110\u1eebng V\u1ed9i V\u00e0ng Cho Tr\u1ebb B\u00e0i To\u00e1n Kh\u00f3, B\u1eaft \u0110\u1ea7u T\u1eeb \u0110\u01a1n Gi\u1ea3n Th\u00f4i!<\/p>\n

N\u00e0y c\u00e1c b\u1eadc ph\u1ee5 huynh th\u00f4ng th\u00e1i \u01a1i, \u0111\u1eebng v\u1ed9i v\u00e0ng n\u00e9m v\u00e0o tay con tr\u1ebb nh\u1eefng b\u00e0i to\u00e1n h\u00f3c b\u00faa nh\u01b0 th\u1ec3 ch\u00fang l\u00e0 nh\u1eefng nh\u00e0 to\u00e1n h\u1ecdc t\u01b0\u01a1ng lai nh\u00e9! H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng xem, n\u1ebfu b\u1ea1n v\u1eeba m\u1edbi h\u1ecdc \u0111i xe \u0111\u1ea1p m\u00e0 \u0111\u00e3 b\u1ecb b\u1eaft \u0111ua v\u1edbi xe c\u00f4ng th\u1ee9c 1 th\u00ec s\u1ebd ra sao? Ch\u1eafc ch\u1eafn l\u00e0 tai n\u1ea1n r\u1ed3i!<\/p>\n

H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng th\u1ee9 \u0111\u01a1n gi\u1ea3n th\u00f4i. M\u1ed9t c\u1ed9ng m\u1ed9t b\u1eb1ng m\u1ea5y nh\u1ec9? \u0110\u00fang r\u1ed3i, b\u1eb1ng hai! Tuy\u1ec7t v\u1eddi, ch\u00fang ta \u0111ang tr\u00ean \u0111\u01b0\u1eddng tr\u1edf th\u00e0nh thi\u00ean t\u00e0i r\u1ed3i \u0111\u00f3! Khi tr\u1ebb \u0111\u00e3 quen v\u1edbi nh\u1eefng ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n n\u00e0y, h\u00e3y t\u1eeb t\u1eeb n\u00e2ng c\u1ea5p l\u00ean m\u1ee9c \u0111\u1ed9 kh\u00f3 h\u01a1n. Nh\u01b0ng nh\u1edb nh\u00e9, v\u1eabn ph\u1ea3i gi\u1eef s\u1ef1 h\u00e0i h\u01b0\u1edbc v\u00e0 tho\u1ea3i m\u00e1i trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp.<\/p>\n

\u0110\u1eebng v\u1ed9i v\u00e0ng \u00e9p bu\u1ed9c tr\u1ebb ph\u1ea3i gi\u1ea3i quy\u1ebft ngay l\u1eadp t\u1ee9c nh\u1eefng b\u00e0i to\u00e1n ph\u1ee9c t\u1ea1p.<\/h5>\n

H\u00e3y \u0111\u1ec3 ch\u00fang th\u01b0\u1edfng th\u1ee9c t\u1eebng b\u01b0\u1edbc nh\u1ecf c\u1ee7a h\u00e0nh tr\u00ecnh chinh ph\u1ee5c to\u00e1n h\u1ecdc. Ai bi\u1ebft \u0111\u01b0\u1ee3c, c\u00f3 khi ch\u00ednh b\u1ea1n c\u0169ng s\u1ebd t\u00ecm th\u1ea5y ni\u1ec1m vui trong vi\u1ec7c c\u00f9ng con kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi s\u1ed1 h\u1ecdc \u0111\u1ea7y th\u00fa v\u1ecb n\u00e0y \u0111\u1ea5y!<\/p>\n

\u2014<\/p>\n

\u0110\u1eebng V\u1ed9i V\u00e0ng Cho Tr\u1ebb B\u00e0i To\u00e1n Kh\u00f3, B\u1eaft \u0110\u1ea7u T\u1eeb \u0110\u01a1n Gi\u1ea3n Th\u00f4i!<\/p>\n

Ch\u00e0o c\u00e1c b\u1eadc ph\u1ee5 huynh th\u00e2n m\u1ebfn!<\/h5>\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang d\u1ea1y con m\u00ecnh l\u00e0m to\u00e1n v\u00e0 b\u1ea1n b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t b\u00e0i to\u00e1n kh\u00f3 nh\u01b0 “T\u00ednh di\u1ec7n t\u00edch h\u00ecnh thang c\u00f3 \u0111\u00e1y l\u1edbn l\u00e0 7, \u0111\u00e1y nh\u1ecf l\u00e0 5 v\u00e0 chi\u1ec1u cao l\u00e0… \u00e0 m\u00e0 th\u00f4i, ch\u1eafc b\u1ea1n c\u0169ng ch\u1eb3ng nh\u1edb n\u1ed5i!” \u0110\u1eebng v\u1ed9i v\u00e0ng nh\u00e9!<\/p>\n

Tr\u1ebb em gi\u1ed1ng nh\u01b0 nh\u1eefng chi\u1ebfc xe \u0111\u1ea1p m\u1edbi t\u1eadp \u0111i, n\u1ebfu b\u1ea1n \u0111\u1ea9y qu\u00e1 m\u1ea1nh th\u00ec ch\u00fang s\u1ebd ng\u00e3 l\u0103n quay. H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n th\u00f4i n\u00e0o! V\u00ed d\u1ee5, thay v\u00ec h\u1ecfi “N\u1ebfu c\u00f3 10 qu\u1ea3 t\u00e1o v\u00e0 l\u1ea5y \u0111i 3 qu\u1ea3 th\u00ec c\u00f2n l\u1ea1i bao nhi\u00eau?” h\u00e3y th\u1eed h\u1ecfi “N\u1ebfu c\u00f3 2 c\u00e1i k\u1eb9o v\u00e0 \u0103n m\u1ea5t 1 c\u00e1i th\u00ec c\u00f2n l\u1ea1i m\u1ea5y c\u00e1i?” – d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u \u0111\u00fang kh\u00f4ng?<\/p>\n

Nh\u1edb r\u1eb1ng, vi\u1ec7c h\u1ecdc to\u00e1n c\u0169ng gi\u1ed1ng nh\u01b0 \u0103n b\u00e1nh m\u00ec: t\u1eebng mi\u1ebfng nh\u1ecf s\u1ebd d\u1ec5 nhai h\u01a1n c\u1ea3 \u1ed5 b\u00e1nh to. V\u00ec v\u1eady, \u0111\u1eebng v\u1ed9i v\u00e0ng \u00e9p tr\u1ebb gi\u1ea3i quy\u1ebft nh\u1eefng b\u00e0i to\u00e1n kh\u00f3 ngay t\u1eeb \u0111\u1ea7u. H\u00e3y \u0111\u1ec3 ch\u00fang kh\u00e1m ph\u00e1 ni\u1ec1m vui c\u1ee7a vi\u1ec7c gi\u1ea3i quy\u1ebft t\u1eebng b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n tr\u01b0\u1edbc \u0111\u00e3!<\/p>\n

V\u00e0 ai bi\u1ebft \u0111\u01b0\u1ee3c?<\/h5>\n

C\u00f3 th\u1ec3 sau n\u00e0y con b\u1ea1n s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t nh\u00e0 to\u00e1n h\u1ecdc \u0111\u1ea1i t\u00e0i ch\u1ec9 v\u00ec \u0111\u00e3 b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng ph\u00e9p t\u00ednh \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Ch\u00fac c\u00e1c b\u1eadc ph\u1ee5 huynh may m\u1eafn trong h\u00e0nh tr\u00ecnh d\u1ea1y con h\u1ecdc to\u00e1n nh\u00e9!<\/p>\n

\u2014<\/p>\n

\u0110\u1eebng V\u1ed9i V\u00e0ng Cho Tr\u1ebb B\u00e0i To\u00e1n Kh\u00f3, B\u1eaft \u0110\u1ea7u T\u1eeb \u0110\u01a1n Gi\u1ea3n Th\u00f4i!<\/p>\n

B\u1ea1n c\u00f3 bao gi\u1edd th\u1ea5y m\u1ed9t \u0111\u1ee9a tr\u1ebb m\u1edbi bi\u1ebft \u0111i m\u00e0 l\u1ea1i ch\u1ea1y marathon ch\u01b0a?<\/h5>\n

N\u1ebfu ch\u01b0a th\u00ec \u0111\u1eebng ng\u1ea1c nhi\u00ean, v\u00ec \u0111\u00f3 l\u00e0 \u0111i\u1ec1u kh\u00f4ng t\u01b0\u1edfng! C\u0169ng gi\u1ed1ng nh\u01b0 vi\u1ec7c b\u1ea1n kh\u00f4ng th\u1ec3 b\u1eaft tr\u1ebb con gi\u1ea3i b\u00e0i to\u00e1n kh\u00f3 ngay l\u1eadp t\u1ee9c. \u0110\u1eebng v\u1ed9i v\u00e0ng nh\u00e9!<\/p>\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n cho b\u00e9 nh\u00e0 m\u00ecnh m\u1ed9t b\u00e0i to\u00e1n \u0111\u1ea1i s\u1ed1 ph\u1ee9c t\u1ea1p. K\u1ebft qu\u1ea3 s\u1ebd ra sao? Ch\u1eafc ch\u1eafn l\u00e0 b\u00e9 s\u1ebd nh\u00ecn b\u1ea1n v\u1edbi \u00e1nh m\u1eaft “con kh\u00f4ng hi\u1ec3u g\u00ec” v\u00e0 c\u00f3 th\u1ec3 c\u00f2n kh\u00f3c n\u1eefa! Thay v\u00e0o \u0111\u00f3, h\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n th\u00f4i. H\u00e3y \u0111\u1ec3 b\u00e9 l\u00e0m quen v\u1edbi c\u00e1c con s\u1ed1, ph\u00e9p c\u1ed9ng tr\u1eeb c\u01a1 b\u1ea3n tr\u01b0\u1edbc \u0111\u00e3.<\/p>\n

\u0110\u1eebng v\u1ed9i v\u00e0ng \u00e9p bu\u1ed9c tr\u1ebb h\u1ecdc qu\u00e1 nhi\u1ec1u th\u1ee9 c\u00f9ng m\u1ed9t l\u00fac. H\u00e3y \u0111\u1ec3 m\u1ed7i b\u01b0\u1edbc ti\u1ebfn nh\u1ecf tr\u1edf th\u00e0nh ni\u1ec1m vui v\u00e0 s\u1ef1 h\u1ee9ng th\u00fa trong h\u00e0nh tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a b\u00e9. Nh\u1edb nh\u00e9, ki\u00ean nh\u1eabn l\u00e0 ch\u00eca kh\u00f3a th\u00e0nh c\u00f4ng!<\/p>\n

\u0110\u1eebng V\u1ed9i V\u00e0ng: Tr\u00f2 Ch\u01a1i R\u00e8n Luy\u1ec7n T\u01b0 Duy To\u00e1n H\u1ecdc Cho Tr\u1ebb<\/h3>\n

B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng c\u00f3 r\u1ea5t nhi\u1ec1u tr\u00f2 ch\u01a1i gi\u00fap tr\u1ebb r\u00e8n luy\u1ec7n t\u01b0 duy to\u00e1n h\u1ecdc m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ng\u1ed3i g\u00f2 l\u01b0ng b\u00ean \u0111\u1ed1ng s\u00e1ch v\u1edf? \u0110\u00fang v\u1eady, h\u00e3y \u0111\u1ec3 nh\u1eefng con s\u1ed1 v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh kh\u00f4 khan tr\u1edf th\u00e0nh qu\u00e1 kh\u1ee9! Thay v\u00e0o \u0111\u00f3, ch\u00fang ta c\u00f3 th\u1ec3 bi\u1ebfn vi\u1ec7c h\u1ecdc th\u00e0nh m\u1ed9t cu\u1ed9c phi\u00eau l\u01b0u th\u00fa v\u1ecb v\u1edbi c\u00e1c tr\u00f2 ch\u01a1i nh\u01b0 x\u1ebfp h\u00ecnh, \u00f4 ch\u1eef s\u1ed1 v\u00e0 th\u1eadm ch\u00ed l\u00e0 \u0111o \u0111\u1ea1c.<\/p>\n

Tr\u01b0\u1edbc ti\u00ean, h\u00e3y n\u00f3i v\u1ec1 tr\u00f2 ch\u01a1i x\u1ebfp h\u00ecnh. Ai m\u00e0 kh\u00f4ng th\u00edch nh\u1eefng m\u1ea3nh gh\u00e9p \u0111\u1ea7y m\u00e0u s\u1eafc ch\u1ee9? Nh\u01b0ng \u0111\u1eebng v\u1ed9i v\u00e0ng ngh\u0129 r\u1eb1ng n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t tr\u00f2 gi\u1ea3i tr\u00ed \u0111\u01a1n thu\u1ea7n. Khi tr\u1ebb em c\u1ed1 g\u1eafng gh\u00e9p c\u00e1c m\u1ea3nh l\u1ea1i v\u1edbi nhau, h\u1ecd \u0111ang th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n m\u00e0 kh\u00f4ng h\u1ec1 nh\u1eadn ra. Th\u1eadt tuy\u1ec7t v\u1eddi ph\u1ea3i kh\u00f4ng?<\/p>\n

Ti\u1ebfp \u0111\u1ebfn l\u00e0 \u00f4 ch\u1eef s\u1ed1.<\/h5>\n

\u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 r\u00e8n luy\u1ec7n kh\u1ea3 n\u0103ng logic v\u00e0 t\u01b0 duy ph\u1ea3n bi\u1ec7n c\u1ee7a tr\u1ebb. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng con b\u1ea1n \u0111ang h\u00ec h\u1ee5c t\u00ecm c\u00e1ch \u0111i\u1ec1n \u0111\u00fang s\u1ed1 v\u00e0o t\u1eebng \u00f4 vu\u00f4ng nh\u1ecf x\u00edu \u0111\u00f3 \u2013 ch\u1eafc ch\u1eafn s\u1ebd khi\u1ebfn c\u1ea3 nh\u00e0 c\u01b0\u1eddi nghi\u00eang ng\u1ea3 v\u00ec nh\u1eefng bi\u1ec3u c\u1ea3m \u0111\u00e1ng y\u00eau c\u1ee7a b\u00e9!<\/p>\n

Cu\u1ed1i c\u00f9ng nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng, ch\u00ednh l\u00e0 c\u00e1c tr\u00f2 ch\u01a1i \u0111o \u0111\u1ea1c. C\u00f3 bao gi\u1edd b\u1ea1n th\u1ea5y con m\u00ecnh d\u00f9ng th\u01b0\u1edbc d\u00e2y \u0111\u1ec3 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u1ecdi th\u1ee9 trong nh\u00e0 ch\u01b0a? N\u1ebfu ch\u01b0a th\u00ec h\u00e3y th\u1eed ngay \u0111i! Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0y gi\u00fap tr\u1ebb hi\u1ec3u v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 kho\u1ea3ng c\u00e1ch m\u1ed9t c\u00e1ch tr\u1ef1c quan h\u01a1n.<\/p>\n

V\u1eady n\u00ean, \u0111\u1eebng v\u1ed9i v\u00e0ng \u00e9p con c\u00e1i ng\u1ed3i v\u00e0o b\u00e0n h\u1ecdc v\u1edbi nh\u1eefng b\u00e0i to\u00e1n kh\u00f3 nh\u1eb1n. H\u00e3y \u0111\u1ec3 ch\u00fang t\u1ef1 do kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi to\u00e1n h\u1ecdc th\u00f4ng qua nh\u1eefng tr\u00f2 ch\u01a1i \u0111\u1ea7y th\u00fa v\u1ecb n\u00e0y nh\u00e9!<\/p>\n

Cha m\u1eb9 c\u0169ng c\u00f3 th\u1ec3 bi\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y th\u00e0nh b\u00e0i h\u1ecdc to\u00e1n h\u1ecdc<\/h3>\n

Ai n\u00f3i r\u1eb1ng h\u1ecdc to\u00e1n ch\u1ec9 l\u00e0 ng\u1ed3i tr\u00ean b\u00e0n v\u00e0 l\u00e0m b\u00e0i t\u1eadp? \u0110\u1eebng v\u1ed9i v\u00e0ng! Th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y th\u00e0nh nh\u1eefng b\u00e0i h\u1ecdc to\u00e1n h\u1ecdc th\u00fa v\u1ecb cho con em m\u00ecnh. V\u00ed d\u1ee5, khi n\u1ea5u \u0103n, h\u00e3y bi\u1ebfn nh\u00e0 b\u1ebfp th\u00e0nh ph\u00f2ng th\u00ed nghi\u1ec7m s\u1ed1 h\u1ecdc.<\/p>\n

Khi c\u00e2n nguy\u00ean li\u1ec7u, b\u1ea1n c\u00f3 th\u1ec3 h\u1ecfi tr\u1ebb: “N\u1ebfu ch\u00fang ta c\u1ea7n 200 gram b\u1ed9t m\u00ec m\u00e0 c\u00e1i c\u00e2n ch\u1ec9 hi\u1ec7n 100 gram th\u00ec c\u1ea7n th\u00eam bao nhi\u00eau?” Hay khi chia b\u00e1nh, b\u1ea1n c\u00f3 th\u1ec3 b\u1ea3o: “Ch\u00fang ta c\u00f3 8 mi\u1ebfng b\u00e1nh v\u00e0 4 ng\u01b0\u1eddi. M\u1ed7i ng\u01b0\u1eddi s\u1ebd \u0111\u01b0\u1ee3c m\u1ea5y mi\u1ebfng?” \u0110\u1ebfm s\u1ed1 l\u01b0\u1ee3ng b\u00e1t \u0111\u0129a c\u0169ng kh\u00f4ng k\u00e9m ph\u1ea7n h\u1ea5p d\u1eabn: “N\u1ebfu ch\u00fang ta \u0111\u00e3 d\u1ecdn ra 5 c\u00e1i \u0111\u0129a nh\u01b0ng c\u00f2n thi\u1ebfu 2 c\u00e1i n\u1eefa th\u00ec t\u1ed5ng c\u1ed9ng c\u1ea7n bao nhi\u00eau \u0111\u0129a?”<\/p>\n

Nh\u1eefng t\u00ecnh hu\u1ed1ng n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap tr\u1ebb c\u1ea3i thi\u1ec7n k\u1ef9 n\u0103ng to\u00e1n h\u1ecdc m\u00e0 c\u00f2n mang l\u1ea1i ti\u1ebfng c\u01b0\u1eddi v\u00e0 ni\u1ec1m vui cho c\u1ea3 gia \u0111\u00ecnh.<\/h5>\n

V\u1eady n\u00ean, l\u1ea7n sau khi v\u00e0o b\u1ebfp hay d\u1ecdn b\u00e0n \u0103n, h\u00e3y nh\u1edb r\u1eb1ng \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y m\u00e0 c\u00f2n l\u00e0 c\u01a1 h\u1ed9i \u0111\u1ec3 tr\u1edf th\u00e0nh gi\u00e1o vi\u00ean to\u00e1n h\u00e0i h\u01b0\u1edbc nh\u1ea5t th\u1ebf gi\u1edbi!<\/p>\n

Khi tr\u1ebb l\u00e0m \u0111\u01b0\u1ee3c b\u00e0i to\u00e1n n\u00e0o \u0111\u00f3, h\u00e3y khen ng\u1ee3i s\u1ef1 c\u1ed1 g\u1eafng c\u1ee7a tr\u1ebb. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap tr\u1ebb t\u1ef1 tin h\u01a1n v\u00e0 mu\u1ed1n kh\u00e1m ph\u00e1 th\u00eam nhi\u1ec1u \u0111i\u1ec1u m\u1edbi.<\/p>\n

B\u1ea1n c\u00f3 bi\u1ebft kh\u00f4ng, vi\u1ec7c khen ng\u1ee3i khi tr\u1ebb ho\u00e0n th\u00e0nh m\u1ed9t b\u00e0i to\u00e1n kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c c\u1ed5 v\u0169 \u0111\u01a1n thu\u1ea7n m\u00e0 c\u00f2n l\u00e0 c\u00e1ch \u0111\u1ec3 b\u1ea1n tr\u1edf th\u00e0nh si\u00eau anh h\u00f9ng trong m\u1eaft con m\u00ecnh! H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang \u0111eo \u00e1o cho\u00e0ng si\u00eau nh\u00e2n, \u0111\u1ee9ng tr\u01b0\u1edbc m\u1eb7t tr\u1ebb v\u00e0 n\u00f3i: “Wow, con gi\u1ecfi qu\u00e1! Con \u0111\u00e3 gi\u1ea3i \u0111\u01b0\u1ee3c b\u00e0i to\u00e1n n\u00e0y r\u1ed3i!” \u0110\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng l\u1eddi khen ng\u1ee3i \u0111\u00f3 s\u1ebd khi\u1ebfn tr\u1ebb c\u1ea3m th\u1ea5y nh\u01b0 m\u00ecnh v\u1eeba chinh ph\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3 th\u1ebf gi\u1edbi.<\/p>\n

Nh\u01b0ng nh\u1edb nh\u00e9, \u0111\u1eebng v\u1ed9i v\u00e0ng m\u00e0 ch\u1ec9 t\u1eadp trung v\u00e0o k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng.<\/h5>\n

Quan tr\u1ecdng h\u01a1n l\u00e0 qu\u00e1 tr\u00ecnh n\u1ed7 l\u1ef1c v\u00e0 ki\u00ean tr\u00ec c\u1ee7a tr\u1ebb. M\u1ed9t c\u00e2u khen ki\u1ec3u nh\u01b0: “Con \u0111\u00e3 r\u1ea5t c\u1ed1 g\u1eafng \u0111\u1ec3 gi\u1ea3i b\u00e0i n\u00e0y, m\u1eb9\/b\u1ed1 t\u1ef1 h\u00e0o v\u1ec1 con l\u1eafm!” s\u1ebd gi\u00fap tr\u1ebb nh\u1eadn ra r\u1eb1ng c\u00f4ng s\u1ee9c b\u1ecf ra lu\u00f4n \u0111\u00e1ng gi\u00e1.<\/p>\n

V\u00e0 ai bi\u1ebft \u0111\u00e2u? C\u00f3 th\u1ec3 sau m\u1ed7i l\u1ea7n \u0111\u01b0\u1ee3c khen ng\u1ee3i nh\u01b0 v\u1eady, b\u00e9 nh\u00e0 b\u1ea1n s\u1ebd mu\u1ed1n kh\u00e1m ph\u00e1 th\u00eam nhi\u1ec1u \u0111i\u1ec1u m\u1edbi m\u1ebb kh\u00e1c n\u1eefa. Bi\u1ebft \u0111\u00e2u m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 b\u00e9 l\u1ea1i h\u1ecfi b\u1ea1n: “M\u1eb9\/b\u1ed1 \u01a1i, t\u1ea1i sao b\u1ea7u tr\u1eddi l\u1ea1i xanh?” hay th\u1eadm ch\u00ed l\u00e0 “T\u1ea1i sao m\u00e8o l\u1ea1i kh\u00f4ng bi\u1ebft bay?” \u0110\u1eebng lo l\u1eafng n\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 ngay c\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c; quan tr\u1ecdng nh\u1ea5t l\u00e0 b\u00e9 \u0111ang t\u00f2 m\u00f2 v\u00e0 mu\u1ed1n h\u1ecdc h\u1ecfi!<\/p>\n

V\u1eady n\u00ean h\u00e3y nh\u1edb: \u0110\u1eebng v\u1ed9i v\u00e0ng khi nh\u00ecn v\u00e0o k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng. H\u00e3y d\u00e0nh th\u1eddi gian \u0111\u1ec3 kh\u00edch l\u1ec7 s\u1ef1 c\u1ed1 g\u1eafng c\u1ee7a con c\u00e1i ch\u00fang ta nh\u00e9!<\/p>\n

Gi\u00fap Tr\u1ebb T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c Nh\u00e0 To\u00e1n H\u1ecdc N\u1ed5i Ti\u1ebfng<\/h3>\n

B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng c\u00e1c nh\u00e0 to\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng ng\u01b0\u1eddi ng\u1ed3i g\u00f5 b\u00e0n ph\u00edm t\u00ednh to\u00e1n c\u1ea3 ng\u00e0y, m\u00e0 h\u1ecd c\u00f2n l\u00e0 nh\u1eefng “si\u00eau anh h\u00f9ng” trong th\u1ebf gi\u1edbi c\u1ee7a nh\u1eefng con s\u1ed1? \u0110\u00fang v\u1eady, v\u00e0 \u0111\u1ec3 gi\u00fap tr\u1ebb hi\u1ec3u r\u1eb1ng To\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng con s\u1ed1 kh\u00f4 khan m\u00e0 c\u00f2n l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c s\u00e1ng t\u1ea1o \u0111\u1ea7y th\u00fa v\u1ecb, h\u00e3y k\u1ec3 cho tr\u1ebb nghe v\u1ec1 c\u00e1c nh\u00e0 to\u00e1n h\u1ecdc n\u1ed5i ti\u1ebfng v\u00e0 nh\u1eefng ph\u00e1t minh c\u1ee7a h\u1ecd.<\/p>\n

H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e2u chuy\u1ec7n v\u1ec1 Pythagoras \u2013 ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t minh ra \u0111\u1ecbnh l\u00fd n\u1ed5i ti\u1ebfng v\u1ec1 tam gi\u00e1c vu\u00f4ng. C\u00e2u chuy\u1ec7n k\u1ec3 r\u1eb1ng \u00f4ng ta \u0111\u00e3 t\u00ecnh c\u1edd nh\u00ecn th\u1ea5y m\u1ed9t \u0111\u1ee9a tr\u1ebb ch\u01a1i tr\u00f2 x\u1ebfp h\u00ecnh tr\u00ean \u0111\u1ea5t v\u00e0 nh\u1eadn ra m\u1ed1i quan h\u1ec7 gi\u1eefa c\u1ea1nh d\u00e0i nh\u1ea5t c\u1ee7a tam gi\u00e1c vu\u00f4ng v\u1edbi hai c\u1ea1nh c\u00f2n l\u1ea1i. V\u00e0 th\u1ebf l\u00e0 \u0111\u1ecbnh l\u00fd Pythagoras ra \u0111\u1eddi! Ai m\u00e0 ng\u1edd \u0111\u01b0\u1ee3c, \u0111\u00fang kh\u00f4ng?<\/p>\n

R\u1ed3i \u0111\u1ebfn Archimedes, ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t hi\u1ec7n ra nguy\u00ean l\u00fd l\u1ef1c \u0111\u1ea9y khi \u0111ang… t\u1eafm!<\/h5>\n

\u0110\u00fang r\u1ed3i, b\u1ea1n kh\u00f4ng nghe nh\u1ea7m \u0111\u00e2u. \u00d4ng ta ch\u1ea1y kh\u1eafp th\u00e0nh ph\u1ed1 Syracuse trong t\u00ecnh tr\u1ea1ng… ch\u1eb3ng m\u1eb7c g\u00ec c\u1ea3 v\u00e0 h\u00e9t l\u00ean “Eureka!” (t\u1ee9c l\u00e0 “T\u00f4i \u0111\u00e3 t\u00ecm th\u1ea5y n\u00f3!”). Ch\u1eafc ch\u1eafn c\u00e2u chuy\u1ec7n n\u00e0y s\u1ebd khi\u1ebfn tr\u1ebb c\u01b0\u1eddi s\u1ea3ng kho\u00e1i v\u00e0 nh\u1edb m\u00e3i!<\/p>\n

V\u00e0 \u0111\u1eebng qu\u00ean k\u1ec3 cho tr\u1ebb nghe v\u1ec1 Ada Lovelace \u2013 n\u1eef l\u1eadp tr\u00ecnh vi\u00ean \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi. Ada kh\u00f4ng ch\u1ec9 vi\u1ebft ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh \u0111\u1ea7u ti\u00ean m\u00e0 c\u00f2n t\u01b0\u1edfng t\u01b0\u1ee3ng ra t\u01b0\u01a1ng lai c\u1ee7a m\u00e1y t\u00ednh t\u1eeb th\u1eddi k\u1ef3 ch\u01b0a ai ngh\u0129 \u0111\u1ebfn ch\u00fang!<\/p>\n

Nh\u1eefng c\u00e2u chuy\u1ec7n n\u00e0y s\u1ebd gi\u00fap tr\u1ebb hi\u1ec3u r\u1eb1ng To\u00e1n h\u1ecdc th\u1eadt s\u1ef1 r\u1ea5t \u0111a d\u1ea1ng v\u00e0 th\u00fa v\u1ecb. \u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t: \u0110\u1eebng v\u1ed9i v\u00e0ng! H\u00e3y \u0111\u1ec3 tr\u1ebb t\u1ef1 do kh\u00e1m ph\u00e1 v\u00e0 c\u1ea3m nh\u1eadn v\u1ebb \u0111\u1eb9p c\u1ee7a To\u00e1n h\u1ecdc theo c\u00e1ch ri\u00eang c\u1ee7a m\u00ecnh.<\/p>\n

\u2014<\/h5>\n

### Gi\u00fap Tr\u1ebb T\u00ecm Hi\u1ec3u V\u1ec1 C\u00e1c Nh\u00e0 To\u00e1n H\u1ecdc N\u1ed5i Ti\u1ebfng<\/p>\n

B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng c\u00e1c nh\u00e0 to\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng ng\u01b0\u1eddi ng\u1ed3i sau b\u00e0n l\u00e0m vi\u1ec7c v\u1edbi \u0111\u1ed1ng gi\u1ea5y t\u1edd v\u00e0 b\u00fat ch\u00ec? Th\u1ef1c t\u1ebf, h\u1ecd c\u0169ng c\u00f3 nh\u1eefng c\u00e2u chuy\u1ec7n th\u00fa v\u1ecb v\u00e0 \u0111\u00f4i khi h\u00e0i h\u01b0\u1edbc l\u1eafm \u0111\u1ea5y! H\u00e3y c\u00f9ng k\u1ec3 cho tr\u1ebb nghe v\u1ec1 nh\u1eefng nh\u00e0 to\u00e1n h\u1ecdc n\u1ed5i ti\u1ebfng nh\u01b0 Pythagoras, ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t minh ra \u0111\u1ecbnh l\u00fd tam gi\u00e1c vu\u00f4ng. Nh\u01b0ng b\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng \u00f4ng \u1ea5y c\u00f2n th\u00e0nh l\u1eadp m\u1ed9t h\u1ed9i k\u00edn, n\u01a1i m\u1ecdi th\u00e0nh vi\u00ean ph\u1ea3i \u0103n chay v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u0103n \u0111\u1eadu? \u0110\u00fang r\u1ed3i, \u0103n \u0111\u1eadu b\u1ecb c\u1ea5m!<\/p>\n

Hay nh\u01b0 c\u00e2u chuy\u1ec7n v\u1ec1 Archimedes, ng\u01b0\u1eddi \u0111\u00e3 ch\u1ea1y kh\u1eafp th\u00e0nh ph\u1ed1 Syracuse trong t\u00ecnh tr\u1ea1ng… kh\u00f4ng m\u1eb7c qu\u1ea7n \u00e1o ch\u1ec9 v\u00ec qu\u00e1 ph\u1ea5n kh\u00edch khi t\u00ecm ra nguy\u00ean l\u00fd l\u1ef1c n\u1ed5i.<\/h5>\n

\u00d4ng \u1ea5y h\u00e9t l\u00ean “Eureka!” – ngh\u0129a l\u00e0 “T\u00f4i \u0111\u00e3 t\u00ecm ra r\u1ed3i!” Ch\u1eafc ch\u1eafn s\u1ebd khi\u1ebfn c\u00e1c b\u00e9 c\u01b0\u1eddi ph\u00e1 l\u00ean.<\/p>\n

\u0110\u1eebng v\u1ed9i v\u00e0ng \u00e9p tr\u1ebb ph\u1ea3i hi\u1ec3u h\u1ebft c\u00e1c c\u00f4ng th\u1ee9c ph\u1ee9c t\u1ea1p ngay t\u1eeb \u0111\u1ea7u. Thay v\u00e0o \u0111\u00f3, h\u00e3y gi\u00fap tr\u1ebb kh\u00e1m ph\u00e1 To\u00e1n h\u1ecdc qua nh\u1eefng c\u00e2u chuy\u1ec7n \u0111\u1ea7y m\u00e0u s\u1eafc v\u00e0 s\u00e1ng t\u1ea1o. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap tr\u1ebb nh\u1eadn ra r\u1eb1ng To\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng con s\u1ed1 kh\u00f4 khan m\u00e0 c\u00f2n l\u00e0 m\u1ed9t th\u1ebf gi\u1edbi \u0111\u1ea7y k\u1ef3 di\u1ec7u v\u00e0 b\u1ea5t ng\u1edd!<\/p>\n

\"\u0110\u1eebng
\u0110\u1eebng v\u1ed9i v\u00e0ng \u00e9p tr\u1ebb ph\u1ea3i hi\u1ec3u h\u1ebft c\u00e1c c\u00f4ng th\u1ee9c ph\u1ee9c t\u1ea1p ngay t\u1eeb \u0111\u1ea7u.<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"

\u0110\u1eebng V\u1ed9i V\u00e0ng Cho Tr\u1ebb B\u00e0i To\u00e1n Kh\u00f3, B\u1eaft \u0110\u1ea7u T\u1eeb \u0110\u01a1n Gi\u1ea3n Th\u00f4i! N\u00e0y c\u00e1c b\u1eadc ph\u1ee5 huynh th\u00f4ng th\u00e1i \u01a1i, \u0111\u1eebng v\u1ed9i v\u00e0ng n\u00e9m v\u00e0o tay con tr\u1ebb nh\u1eefng b\u00e0i to\u00e1n h\u00f3c b\u00faa nh\u01b0 th\u1ec3 ch\u00fang l\u00e0 nh\u1eefng nh\u00e0 to\u00e1n h\u1ecdc t\u01b0\u01a1ng lai nh\u00e9! H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng xem, n\u1ebfu b\u1ea1n v\u1eeba m\u1edbi h\u1ecdc \u0111i xe \u0111\u1ea1p m\u00e0 \u0111\u00e3 b\u1ecb b\u1eaft \u0111ua v\u1edbi xe c\u00f4ng th\u1ee9c 1 th\u00ec s\u1ebd ra sao? Ch\u1eafc ch\u1eafn l\u00e0 tai n\u1ea1n r\u1ed3i! H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng th\u1ee9 \u0111\u01a1n gi\u1ea3n th\u00f4i. M\u1ed9t c\u1ed9ng m\u1ed9t b\u1eb1ng m\u1ea5y nh\u1ec9? \u0110\u00fang r\u1ed3i, b\u1eb1ng hai! Tuy\u1ec7t v\u1eddi, ch\u00fang ta \u0111ang tr\u00ean \u0111\u01b0\u1eddng tr\u1edf th\u00e0nh thi\u00ean t\u00e0i r\u1ed3i \u0111\u00f3! Khi tr\u1ebb \u0111\u00e3 quen v\u1edbi nh\u1eefng ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n n\u00e0y, h\u00e3y t\u1eeb t\u1eeb n\u00e2ng c\u1ea5p l\u00ean m\u1ee9c \u0111\u1ed9 kh\u00f3 h\u01a1n. Nh\u01b0ng nh\u1edb nh\u00e9, v\u1eabn ph\u1ea3i gi\u1eef s\u1ef1 h\u00e0i h\u01b0\u1edbc v\u00e0 tho\u1ea3i m\u00e1i trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp. \u0110\u1eebng v\u1ed9i v\u00e0ng \u00e9p bu\u1ed9c tr\u1ebb ph\u1ea3i gi\u1ea3i quy\u1ebft ngay l\u1eadp t\u1ee9c nh\u1eefng b\u00e0i to\u00e1n ph\u1ee9c t\u1ea1p. H\u00e3y \u0111\u1ec3 ch\u00fang th\u01b0\u1edfng th\u1ee9c t\u1eebng b\u01b0\u1edbc nh\u1ecf c\u1ee7a h\u00e0nh tr\u00ecnh chinh ph\u1ee5c to\u00e1n h\u1ecdc. Ai bi\u1ebft \u0111\u01b0\u1ee3c, c\u00f3 khi ch\u00ednh b\u1ea1n c\u0169ng s\u1ebd t\u00ecm th\u1ea5y ni\u1ec1m vui trong vi\u1ec7c c\u00f9ng con kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi s\u1ed1 h\u1ecdc \u0111\u1ea7y th\u00fa v\u1ecb n\u00e0y \u0111\u1ea5y! \u2014 \u0110\u1eebng V\u1ed9i V\u00e0ng Cho Tr\u1ebb B\u00e0i To\u00e1n Kh\u00f3, B\u1eaft \u0110\u1ea7u T\u1eeb \u0110\u01a1n Gi\u1ea3n Th\u00f4i! Ch\u00e0o c\u00e1c b\u1eadc ph\u1ee5 huynh th\u00e2n m\u1ebfn! H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n \u0111ang d\u1ea1y con m\u00ecnh l\u00e0m to\u00e1n v\u00e0 b\u1ea1n b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t b\u00e0i to\u00e1n kh\u00f3 nh\u01b0 “T\u00ednh di\u1ec7n t\u00edch h\u00ecnh thang c\u00f3 \u0111\u00e1y l\u1edbn l\u00e0 7, \u0111\u00e1y nh\u1ecf l\u00e0 5 v\u00e0 chi\u1ec1u cao l\u00e0… \u00e0 m\u00e0 th\u00f4i, ch\u1eafc b\u1ea1n c\u0169ng ch\u1eb3ng nh\u1edb n\u1ed5i!” \u0110\u1eebng v\u1ed9i v\u00e0ng nh\u00e9! Tr\u1ebb em gi\u1ed1ng nh\u01b0 nh\u1eefng chi\u1ebfc xe \u0111\u1ea1p m\u1edbi t\u1eadp \u0111i, n\u1ebfu b\u1ea1n \u0111\u1ea9y qu\u00e1 m\u1ea1nh th\u00ec ch\u00fang s\u1ebd ng\u00e3 l\u0103n quay. H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n th\u00f4i n\u00e0o! V\u00ed d\u1ee5, thay v\u00ec h\u1ecfi “N\u1ebfu c\u00f3 10 qu\u1ea3 t\u00e1o v\u00e0 l\u1ea5y \u0111i 3 qu\u1ea3 th\u00ec c\u00f2n l\u1ea1i bao nhi\u00eau?” h\u00e3y th\u1eed h\u1ecfi “N\u1ebfu c\u00f3 2 c\u00e1i k\u1eb9o v\u00e0 \u0103n m\u1ea5t 1 c\u00e1i th\u00ec c\u00f2n l\u1ea1i m\u1ea5y c\u00e1i?” – d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u \u0111\u00fang kh\u00f4ng? Nh\u1edb r\u1eb1ng, vi\u1ec7c h\u1ecdc to\u00e1n c\u0169ng gi\u1ed1ng nh\u01b0 \u0103n b\u00e1nh m\u00ec: t\u1eebng mi\u1ebfng nh\u1ecf s\u1ebd d\u1ec5 nhai h\u01a1n c\u1ea3 \u1ed5 b\u00e1nh to. V\u00ec v\u1eady, \u0111\u1eebng v\u1ed9i v\u00e0ng \u00e9p tr\u1ebb gi\u1ea3i quy\u1ebft nh\u1eefng b\u00e0i to\u00e1n kh\u00f3 ngay t\u1eeb \u0111\u1ea7u. H\u00e3y \u0111\u1ec3 ch\u00fang kh\u00e1m ph\u00e1 ni\u1ec1m vui c\u1ee7a vi\u1ec7c gi\u1ea3i quy\u1ebft t\u1eebng b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n tr\u01b0\u1edbc \u0111\u00e3! V\u00e0 ai bi\u1ebft \u0111\u01b0\u1ee3c? C\u00f3 th\u1ec3 sau n\u00e0y con b\u1ea1n s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t nh\u00e0 to\u00e1n h\u1ecdc \u0111\u1ea1i t\u00e0i ch\u1ec9 v\u00ec \u0111\u00e3 b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng ph\u00e9p t\u00ednh \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Ch\u00fac c\u00e1c b\u1eadc ph\u1ee5 huynh may m\u1eafn trong h\u00e0nh tr\u00ecnh d\u1ea1y con h\u1ecdc to\u00e1n nh\u00e9! \u2014 \u0110\u1eebng V\u1ed9i V\u00e0ng Cho Tr\u1ebb B\u00e0i To\u00e1n Kh\u00f3, B\u1eaft \u0110\u1ea7u T\u1eeb \u0110\u01a1n Gi\u1ea3n Th\u00f4i! B\u1ea1n c\u00f3 bao gi\u1edd th\u1ea5y m\u1ed9t \u0111\u1ee9a tr\u1ebb m\u1edbi bi\u1ebft \u0111i m\u00e0 l\u1ea1i ch\u1ea1y marathon ch\u01b0a? N\u1ebfu ch\u01b0a th\u00ec \u0111\u1eebng ng\u1ea1c nhi\u00ean, v\u00ec \u0111\u00f3 l\u00e0 \u0111i\u1ec1u kh\u00f4ng t\u01b0\u1edfng! C\u0169ng gi\u1ed1ng nh\u01b0 vi\u1ec7c b\u1ea1n kh\u00f4ng th\u1ec3 b\u1eaft tr\u1ebb con gi\u1ea3i b\u00e0i to\u00e1n kh\u00f3 ngay l\u1eadp t\u1ee9c. \u0110\u1eebng v\u1ed9i v\u00e0ng nh\u00e9! H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng b\u1ea1n cho b\u00e9 nh\u00e0 m\u00ecnh m\u1ed9t b\u00e0i to\u00e1n \u0111\u1ea1i s\u1ed1 ph\u1ee9c t\u1ea1p. K\u1ebft qu\u1ea3 s\u1ebd ra sao? Ch\u1eafc ch\u1eafn l\u00e0 b\u00e9 s\u1ebd nh\u00ecn b\u1ea1n v\u1edbi \u00e1nh m\u1eaft “con kh\u00f4ng hi\u1ec3u g\u00ec” v\u00e0 c\u00f3 th\u1ec3 c\u00f2n kh\u00f3c n\u1eefa! Thay v\u00e0o \u0111\u00f3, h\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng b\u00e0i to\u00e1n \u0111\u01a1n gi\u1ea3n th\u00f4i. H\u00e3y \u0111\u1ec3 b\u00e9 l\u00e0m quen v\u1edbi c\u00e1c con s\u1ed1, ph\u00e9p c\u1ed9ng tr\u1eeb c\u01a1 b\u1ea3n tr\u01b0\u1edbc \u0111\u00e3. \u0110\u1eebng v\u1ed9i v\u00e0ng \u00e9p bu\u1ed9c tr\u1ebb h\u1ecdc qu\u00e1 nhi\u1ec1u th\u1ee9 c\u00f9ng m\u1ed9t l\u00fac. H\u00e3y \u0111\u1ec3 m\u1ed7i b\u01b0\u1edbc ti\u1ebfn nh\u1ecf tr\u1edf th\u00e0nh ni\u1ec1m vui v\u00e0 s\u1ef1 h\u1ee9ng th\u00fa trong h\u00e0nh tr\u00ecnh h\u1ecdc t\u1eadp c\u1ee7a b\u00e9. Nh\u1edb nh\u00e9, ki\u00ean nh\u1eabn l\u00e0 ch\u00eca kh\u00f3a th\u00e0nh c\u00f4ng! \u0110\u1eebng V\u1ed9i V\u00e0ng: Tr\u00f2 Ch\u01a1i R\u00e8n Luy\u1ec7n T\u01b0 Duy To\u00e1n H\u1ecdc Cho Tr\u1ebb B\u1ea1n c\u00f3 bi\u1ebft r\u1eb1ng c\u00f3 r\u1ea5t nhi\u1ec1u tr\u00f2 ch\u01a1i gi\u00fap tr\u1ebb r\u00e8n luy\u1ec7n t\u01b0 duy to\u00e1n h\u1ecdc m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ng\u1ed3i g\u00f2 l\u01b0ng b\u00ean \u0111\u1ed1ng s\u00e1ch v\u1edf? \u0110\u00fang v\u1eady, h\u00e3y \u0111\u1ec3 nh\u1eefng con s\u1ed1 v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh kh\u00f4 khan tr\u1edf th\u00e0nh qu\u00e1 kh\u1ee9! Thay v\u00e0o \u0111\u00f3, ch\u00fang ta c\u00f3 th\u1ec3 bi\u1ebfn vi\u1ec7c h\u1ecdc th\u00e0nh m\u1ed9t cu\u1ed9c phi\u00eau l\u01b0u th\u00fa v\u1ecb v\u1edbi c\u00e1c tr\u00f2 ch\u01a1i nh\u01b0 x\u1ebfp h\u00ecnh, \u00f4 ch\u1eef s\u1ed1 v\u00e0 th\u1eadm ch\u00ed l\u00e0 \u0111o \u0111\u1ea1c. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y n\u00f3i v\u1ec1 tr\u00f2 ch\u01a1i x\u1ebfp h\u00ecnh. Ai m\u00e0 kh\u00f4ng th\u00edch nh\u1eefng m\u1ea3nh gh\u00e9p \u0111\u1ea7y m\u00e0u s\u1eafc ch\u1ee9? Nh\u01b0ng \u0111\u1eebng v\u1ed9i v\u00e0ng ngh\u0129 r\u1eb1ng n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t tr\u00f2 gi\u1ea3i tr\u00ed \u0111\u01a1n thu\u1ea7n. Khi tr\u1ebb em c\u1ed1 g\u1eafng gh\u00e9p c\u00e1c m\u1ea3nh l\u1ea1i v\u1edbi nhau, h\u1ecd \u0111ang th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n m\u00e0 kh\u00f4ng h\u1ec1 nh\u1eadn ra. Th\u1eadt tuy\u1ec7t v\u1eddi ph\u1ea3i kh\u00f4ng? Ti\u1ebfp \u0111\u1ebfn l\u00e0 \u00f4 ch\u1eef s\u1ed1. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 r\u00e8n luy\u1ec7n kh\u1ea3 n\u0103ng logic v\u00e0 t\u01b0 duy ph\u1ea3n bi\u1ec7n c\u1ee7a tr\u1ebb. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng con b\u1ea1n \u0111ang h\u00ec h\u1ee5c t\u00ecm c\u00e1ch \u0111i\u1ec1n \u0111\u00fang s\u1ed1 v\u00e0o t\u1eebng \u00f4 vu\u00f4ng nh\u1ecf x\u00edu \u0111\u00f3 \u2013 ch\u1eafc ch\u1eafn s\u1ebd khi\u1ebfn c\u1ea3 nh\u00e0 c\u01b0\u1eddi nghi\u00eang ng\u1ea3 v\u00ec nh\u1eefng bi\u1ec3u c\u1ea3m \u0111\u00e1ng y\u00eau c\u1ee7a b\u00e9! Cu\u1ed1i c\u00f9ng nh\u01b0ng kh\u00f4ng k\u00e9m ph\u1ea7n quan tr\u1ecdng, ch\u00ednh l\u00e0 c\u00e1c tr\u00f2 ch\u01a1i \u0111o \u0111\u1ea1c. C\u00f3 bao gi\u1edd b\u1ea1n th\u1ea5y con m\u00ecnh d\u00f9ng th\u01b0\u1edbc d\u00e2y \u0111\u1ec3 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u1ecdi th\u1ee9 trong nh\u00e0 ch\u01b0a? N\u1ebfu ch\u01b0a th\u00ec h\u00e3y th\u1eed ngay \u0111i! Nh\u1eefng ho\u1ea1t \u0111\u1ed9ng n\u00e0y gi\u00fap tr\u1ebb hi\u1ec3u v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 kho\u1ea3ng c\u00e1ch m\u1ed9t c\u00e1ch tr\u1ef1c quan h\u01a1n. V\u1eady n\u00ean, \u0111\u1eebng v\u1ed9i v\u00e0ng \u00e9p con c\u00e1i ng\u1ed3i v\u00e0o b\u00e0n h\u1ecdc v\u1edbi nh\u1eefng b\u00e0i to\u00e1n kh\u00f3 nh\u1eb1n. H\u00e3y \u0111\u1ec3 ch\u00fang t\u1ef1 do kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi to\u00e1n h\u1ecdc th\u00f4ng qua nh\u1eefng tr\u00f2 ch\u01a1i \u0111\u1ea7y th\u00fa v\u1ecb n\u00e0y nh\u00e9! Cha m\u1eb9 c\u0169ng c\u00f3 th\u1ec3 bi\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y th\u00e0nh b\u00e0i h\u1ecdc to\u00e1n h\u1ecdc Ai n\u00f3i r\u1eb1ng h\u1ecdc to\u00e1n ch\u1ec9 l\u00e0 ng\u1ed3i tr\u00ean b\u00e0n v\u00e0 l\u00e0m b\u00e0i t\u1eadp? \u0110\u1eebng v\u1ed9i v\u00e0ng! Th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ebfn nh\u1eefng ho\u1ea1t \u0111\u1ed9ng h\u00e0ng<\/p>","protected":false},"author":3,"featured_media":12799,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2],"tags":[],"class_list":["post-12798","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-babies"],"yoast_head":"\n\u0110\u1eebng V\u1ed9i V\u00e0ng: H\u00e3y Cho Tr\u1ebb B\u00e0i To\u00e1n \u0110\u01a1n Gi\u1ea3n Tr\u01b0\u1edbc! - AuCoMeToi<\/title>\n<meta name=\"description\" content=\"\u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t: \u0110\u1eebng v\u1ed9i v\u00e0ng! 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