1.\u00a0T\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng xuy\u00ean:<\/strong><\/p>\nT\u01b0\u01a1ng t\u00e1c th\u01b0\u1eddng xuy\u00ean v\u1edbi con l\u00e0 c\u00e1ch d\u1ea1y b\u00e9 th\u00f4ng minh s\u1edbm nh\u1ea5t. M\u1eadt \u0111\u1ed9 cao l\u00e0 t\u1ed1t. C\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n ngay. C\u00e1c chuy\u00ean gia \u0111\u00e3 ch\u1ee9ng minh th\u00f4ng qua nhi\u1ec1u nghi\u00ean c\u1ee9u v\u00e0 kh\u1ea3o s\u00e1t r\u1eb1ng kh\u00f4ng c\u00f3 s\u1ef1 ch\u0103m s\u00f3c, \u00f4m \u1ea5p v\u00e0 y\u00eau th\u01b0\u01a1ng c\u1ee7a ba m\u1eb9, n\u00e3o b\u1ed9 c\u1ee7a con g\u1ea7n nh\u01b0 kh\u00f4ng ph\u00e1t tri\u1ec3n.<\/p>\n
Ngo\u00e0i ra, gi\u1edbi chuy\u00ean gia \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng tr\u1ebb em kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m ho\u1eb7c \u00f4m \u1ea5p, c\u00f3 s\u1ef1 ph\u00e1t tri\u1ec3n k\u00e9m. C\u00e1c b\u00e9 th\u01b0\u1eddng bu\u1ed3n ch\u00e1n v\u00e0 thi\u1ebfu n\u0103ng l\u01b0\u1ee3ng. Th\u1eadm ch\u00ed c\u00f3 th\u1ec3 g\u00e2y ch\u1ebft ng\u01b0\u1eddi.<\/p>\n
S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ba m\u1eb9 v\u00e0 con c\u00e1i l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng n\u1ebfu ba m\u1eb9 mu\u1ed1n d\u1ea1y tr\u1ebb s\u01a1 sinh. ba m\u1eb9 gi\u00fap con ph\u00e1t tri\u1ec3n tr\u00ed tu\u1ec7 t\u1ed1t h\u01a1n b\u1eb1ng c\u00e1ch ch\u01a1i v\u00e0 \u00f4m con th\u01b0\u1eddng xuy\u00ean. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng s\u00e2u s\u1eafc \u0111\u1ebfn qu\u00e1 tr\u00ecnh tr\u01b0\u1edfng th\u00e0nh v\u00e0 l\u1edbn l\u00ean c\u1ee7a con.<\/p>\n
V\u00ec v\u1eady, \u0111\u1eebng bao gi\u1edd ng\u1eebng y\u00eau th\u01b0\u01a1ng. Li\u00ean t\u1ee5c quan t\u00e2m v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi con. S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ba m\u1eb9 v\u00e0 con c\u00e1i s\u1ebd x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng. Gi\u00fap con \u0111\u01b0\u1ee3c gi\u00e1o d\u1ee5c s\u1edbm v\u00e0 ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng t\u01b0 duy m\u1ea1nh m\u1ebd.<\/p>\n
2. N\u00f3i chuy\u1ec7n:<\/strong><\/p>\nNg\u00e0y nay, nhi\u1ec1u ba m\u1eb9 qu\u00ean n\u00f3i chuy\u1ec7n v\u1edbi con m\u00ecnh v\u00ec \u00e1p l\u1ef1c c\u00f4ng vi\u1ec7c. Tuy nhi\u00ean, ba m\u1eb9 n\u00ean l\u1eafng nghe con n\u00f3i nhi\u1ec1u h\u01a1n khi c\u00f3 th\u1eddi gian. Chuy\u1ec7n tr\u00f2 v\u1edbi tr\u1ebb t\u01b0\u1edfng ch\u1eebng l\u00e0 m\u1ed9t vi\u1ec7c \u0111\u01a1n gi\u1ea3n. Tuy nhi\u00ean, n\u00f3 \u0111\u00f3ng vai tr\u00f2 trong vi\u1ec7c r\u00e8n luy\u1ec7n t\u01b0 duy ng\u00f4n ng\u1eef v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp c\u1ee7a con. \u0110\u00e2y l\u00e0 c\u01a1 s\u1edf cho m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p gi\u00e1o d\u1ee5c tr\u1ebb em ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t.<\/p>\n
\u0110\u1ecdc s\u00e1ch cho con nghe m\u1ed7i ng\u00e0y l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n kh\u00e1c m\u00e0 ba m\u1eb9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n. con c\u00f3 th\u1ec3 h\u1ecdc ch\u1eef ngay t\u1eeb khi con b\u1eaft \u0111\u1ea7u \u0111i h\u1ecdc. \u0110i\u1ec1u n\u00e0y h\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n k\u1ef9 n\u0103ng s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef c\u1ee7a con.<\/p>\n
Nh\u1eefng \u0111\u1ee9a tr\u1ebb \u0111\u01b0\u1ee3c ba m\u1eb9 \u0111\u1ecdc s\u00e1ch cho nghe th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u00e0nh t\u00edch h\u1ecdc t\u1eadp t\u1ed1t, ni\u1ec1m \u0111am m\u00ea v\u1edbi s\u00e1ch cao h\u01a1n v\u00e0 d\u1ec5 th\u00e0nh c\u00f4ng trong cu\u1ed9c s\u1ed1ng v\u1ec1 sau. Ngo\u00e0i ra, \u0111\u1ecdc s\u00e1ch l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 d\u1ea1y con th\u00f4ng minh ngay t\u1eeb nh\u1ecf, v\u00e0 b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y.<\/p>\n
3. \u0110\u00e0o t\u1ea1o tr\u1ebb th\u00f4ng minh: ph\u00e1t tri\u1ec3n c\u1ea3 hai b\u00e1n c\u1ea7u n\u00e3o:<\/strong><\/p>\nB\u00e1n c\u1ea7u n\u00e3o tr\u00e1i v\u00e0 ph\u1ea3i l\u00e0 hai b\u00e1n c\u1ea7u n\u00e3o c\u1ee7a m\u1ed7i ng\u01b0\u1eddi. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u00e1n c\u1ea7u n\u00e3o tr\u00e1i ch\u1ecbu tr\u00e1ch nhi\u1ec7m t\u01b0 duy tr\u1eebu t\u01b0\u1ee3ng. Vi\u1ebft, t\u01b0 duy s\u1eafp x\u1ebfp, t\u00ednh to\u00e1n, ghi nh\u1edb t\u1eeb ng\u1eef v\u00e0 tri gi\u00e1c th\u1eddi gian bao g\u1ed3m ng\u00f4n ng\u1eef v\u00e0 vi\u1ebft.<\/p>\n
Tuy nhi\u00ean, kh\u00e1i ni\u1ec7m kh\u00f4ng gian ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi b\u00e1n c\u1ea7u n\u00e3o. Ph\u00e2n bi\u1ec7t m\u1eabu h\u00ecnh v\u1ebd, b\u1eaft ch\u01b0\u1edbc v\u00e0 ti\u1ebfp thu c\u1ea3m th\u1ee5 \u00e2m nh\u1ea1c.<\/p>\n
S\u1ef1 s\u00e1ng t\u1ea1o, t\u1ed5ng h\u1ee3p, tr\u00ed t\u01b0\u1edfng t\u01b0\u1ee3ng, t\u00ecnh c\u1ea3m, th\u00e1i \u0111\u1ed9 v\u00e0 \u00fd ch\u00ed c\u1ee7a m\u1ed7i c\u00e1 nh\u00e2n ph\u1ea3i \u0111\u01b0\u1ee3c b\u00e1n c\u1ea7u ch\u1ecbu tr\u00e1ch nhi\u1ec7m. Th\u1eadt v\u1eady, m\u1ed7i b\u00ean y\u00eau c\u1ea7u tr\u00ed tu\u1ec7 \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ed9t nhi\u1ec7m v\u1ee5 nh\u1ea5t \u0111\u1ecbnh. Tuy nhi\u00ean, ch\u00fang lu\u00f4n h\u1ed7 tr\u1ee3 nhau nh\u1ecbp nh\u00e0ng.<\/p>\n
\u0110\u1ec3 d\u1ea1y con ph\u00e1t tri\u1ec3n tr\u00ed tu\u1ec7 s\u1edbm, h\u00e3y gi\u00fap con ph\u00e1t tri\u1ec3n c\u00e2n b\u1eb1ng c\u1ea3 hai b\u00e1n c\u1ea7u. \u0110\u00e2y l\u00e0 nguy\u00ean l\u00fd quan tr\u1ecdng gi\u00fap con ph\u00e1t tri\u1ec3n tr\u00ed tu\u1ec7 t\u1eeb khi c\u00f2n nh\u1ecf. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng r\u1ea5t d\u1ec5 th\u1ef1c hi\u1ec7n \u0111\u1ec3 d\u1ea1y con th\u00f4ng minh t\u1eeb nh\u1ecf.<\/p>\n