{"id":15,"date":"2024-04-09T12:08:38","date_gmt":"2024-04-09T12:08:38","guid":{"rendered":"https:\/\/soicauxosochuan.com\/?p=15"},"modified":"2024-04-09T12:08:38","modified_gmt":"2024-04-09T12:08:38","slug":"du-doan-bach-thu-lo-sieu-chuan-hom-nay-thang-to","status":"publish","type":"post","link":"https:\/\/soicauxosochuan.com\/du-doan-bach-thu-lo-sieu-chuan-hom-nay-thang-to\/","title":{"rendered":"d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay th\u1eafng to"},"content":{"rendered":"\n

M\u00f4 t\u1ea3: B\u1ea1n \u0111\u00e3 bi\u1ebft l\u00e0m sao \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay <\/strong>ch\u01b0a? N\u1ebfu b\u1ea1n v\u1eabn ch\u01b0a bi\u1ebft th\u00ec h\u00e3y c\u00f9ng b\u00e0i vi\u1ebft t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 c\u00e1ch th\u1ee9c nh\u00e9. <\/p>\n\n\n\n

\u00bb<\/strong><\/mark> soi c\u1ea7u x\u1ed5 s\u1ed1 \u0111\u1eb7c bi\u1ec7t<\/mark><\/a><\/strong> \u00ab<\/strong><\/mark><\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay<\/strong><\/h2>\n\n\n\n

B\u1ea1n \u0111\u00e3 bi\u1ebft l\u00e0m sao \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay<\/mark><\/a> <\/strong>ch\u01b0a? Ch\u01a1i l\u00f4 \u0111\u1ec1 th\u00ec vi\u1ec7c soi c\u1ea7u v\u00e0 d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0 \u0111i\u1ec1u m\u00e0 nhi\u1ec1u anh em v\u1eabn ph\u1ea3i l\u00e0m. N\u00f3i v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p soi th\u00ec c\u1ef1c k\u1ef3 \u0111a d\u1ea1ng v\u00e0 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o anh em c\u0169ng bi\u1ebft c\u00e1ch \u00e1p d\u1ee5ng hi\u1ec7u qu\u1ea3. Cho n\u00ean trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u1edbi thi\u1ec7u \u0111\u1ebfn anh em l\u00e0m sao \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n nh\u1eefng b\u1ea1ch th\u1ee7 l\u00f4 chu\u1ea9n nh\u1ea5t. N\u1ebfu b\u1ea1n v\u1eabn ch\u01b0a bi\u1ebft th\u00ec h\u00e3y c\u00f9ng b\u00e0i vi\u1ebft t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 c\u00e1ch th\u1ee9c nh\u00e9. <\/p>\n\n\n\n

Nh\u1eefng c\u00e1ch th\u1ee9c d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay<\/strong><\/h2>\n\n\n\n

C\u00f3 nhi\u1ec1u c\u00e1ch th\u1ee9c m\u00e0 anh em c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n c\u00e1c con s\u1ed1 b\u1ea1ch th\u1ee7 l\u00f4 chu\u1ea9n. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i anh em n\u00e0o c\u0169ng bi\u1ebft ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p. V\u00e0 d\u01b0\u1edbi \u0111\u00e2y th\u00ec l\u00e0 top nh\u1eefng c\u00e1ch th\u1ee9c c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay <\/strong>m\u00e0 anh em kh\u00f4ng n\u00ean b\u1ecf qua.<\/p>\n\n\n\n

Soi l\u00f4 b\u1ea1ch th\u1ee7 c\u00e1ch ng\u00e0y<\/strong><\/h3>\n\n\n\n

M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p d\u1ef1 \u0111o\u00e1n hi\u1ec7u qu\u1ea3 nh\u1ea5t. C\u00e1ch th\u1ee9c n\u00e0y mang \u0111\u1ebfn m\u1ed9t \u01b0u \u0111i\u1ec3m \u0111\u00f3 l\u00e0 v\u1eeba gi\u00fap b\u1ea1n kh\u00f4ng ph\u1ea3i th\u1ef1c hi\u1ec7n vi\u1ec7c soi c\u1ea7u m\u1ed7i ng\u00e0y m\u00e0 v\u1eeba c\u00f3 th\u1ec3 b\u1eaft \u0111\u01b0\u1ee3c nh\u1eefng con s\u1ed1 \u0111\u1eb9p h\u01a1n. N\u00ean \u0111\u1ec3 b\u1eaft b\u1ea1ch th\u1ee7 l\u00f4 th\u00ec anh em c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p soi b\u1ea1ch th\u1ee7 l\u00f4 c\u00e1ch ng\u00e0y n\u00e0y nh\u00e9. <\/p>\n\n\n\n

Soi l\u00f4 b\u1ea1ch th\u1ee7 d\u1ef1a v\u00e0o d\u1ed3n t\u1ed5ng gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\n\n\n\n

B\u1ea1n \u0111\u00e3 bi\u1ebft v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p c\u1ed9ng d\u1ed3n gi\u1ea3i \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 soi c\u1ea7u b\u1ea1ch th\u1ee7 l\u00f4 ch\u01b0a? Anh em s\u1ebd c\u00f3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t r\u1ed3i c\u1ed9ng d\u1ed3n c\u00e1c con s\u1ed1 n\u00e0y l\u1ea1i. V\u1edbi s\u1ed1 t\u1ed5ng ch\u00ednh l\u00e0 b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau \u0111\u1eb9p v\u00e0 si\u00eau chu\u1ea9n \u0111\u1ec3 nu\u00f4i trong ng\u00e0y h\u00f4m nay. V\u00ed d\u1ee5 nh\u01b0 sau:<\/p>\n\n\n\n

B\u1ea1n c\u00f3 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t l\u00e0 238980 th\u00ec b\u1ea1n c\u1ed9ng t\u1ed5ng s\u1ebd c\u00f3 2+3+8+9+8+0=30. L\u00fac n\u00e0y, con s\u1ed1 b\u1ea1ch th\u1ee7 l\u00f4 \u0111\u1eb9p l\u00e0 30 v\u00e0 \u0111\u00e2y l\u00e0 con s\u1ed1 b\u1ea1n n\u00ean t\u1eadp trung \u0111\u1ec3 ch\u1ed1t trong ng\u00e0y. <\/p>\n\n\n\n

\"Nh\u1eefng<\/figure>\n\n\n\n

Nh\u1eefng c\u00e1ch th\u1ee9c d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay<\/em><\/p>\n\n\n\n

\u00bb<\/strong><\/mark> x\u1ed5 s\u1ed1 mi\u1ec1n b\u1eafc v\u00edp<\/mark><\/a><\/strong> \u00ab<\/strong><\/mark><\/p>\n\n\n\n

Soi l\u00f4 b\u1ea1ch th\u1ee7 d\u1ef1a v\u00e0o \u0111\u1ea7u \u0111u\u00f4i 0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\n\n\n\n

C\u0169ng v\u1edbi gi\u1ea3i \u0111\u1eb7c bi\u1ec7t th\u00ec gi\u1edd \u0111\u00e2y b\u1ea1n s\u1ebd d\u00f9ng s\u1ed1 0 n\u1ebfu con s\u1ed1 n\u00e0y xu\u1ea5t hi\u1ec7n trong \u0111\u1ea7u ho\u1eb7c \u0111u\u00f4i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. V\u00ed d\u1ee5 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 l\u00e0 238980 v\u1edbi s\u1ed1 0 n\u1eb1m \u1edf \u0111u\u00f4i. Th\u00ec b\u1ea1n s\u1ebd c\u00f3 s\u1ed1 0 gh\u00e9p v\u1edbi s\u1ed1 2 v\u00e0 ch\u1ed1t \u0111\u01b0\u1ee3c con s\u1ed1 l\u00e0: 02 v\u00e0 20. <\/p>\n\n\n\n

Soi l\u00f4 b\u1ea1ch th\u1ee7 d\u1ef1a v\u00e0o l\u00f4 k\u00e9p v\u00e0 l\u00f4 nh\u00e1y<\/strong><\/h3>\n\n\n\n

Khi l\u00f4 nh\u00e1y v\u00e0 l\u00f4 k\u00e9p v\u1ec1 th\u00ec \u0111\u00e2y l\u00e0 d\u1ea5u hi\u1ec7u r\u1ea5t t\u1ed1t cho vi\u1ec7c d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay. <\/strong><\/p>\n\n\n\n

V\u1ec1 l\u00f4 nh\u00e1y th\u00ec \u0111\u00e2y l\u00e0 nh\u1eefng con s\u1ed1 v\u1ec1 \u00edt nh\u1ea5t l\u00e0 2 l\u1ea7n ch\u1ec9 trong m\u1ed9t k\u1ef3 x\u1ed5 s\u1ed1. C\u00e1c chuy\u00ean gia l\u00f4 \u0111\u1ec1 tin r\u1eb1ng l\u00f4 nh\u00e1y v\u1ec1 h\u00f4m nay th\u00ec nh\u1eefng ng\u00e0y sau l\u00f4 nh\u00e1y c\u0169ng s\u1ebd ti\u1ebfp t\u1ee5c v\u1ec1 v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ed1t n\u00f3 l\u00e0m b\u1ea1ch th\u1ee7 l\u00f4. <\/p>\n\n\n\n

V\u1ec1 l\u00f4 k\u00e9p th\u00ec \u0111\u00e2y l\u00e0 b\u1ed9 9 con s\u1ed1 c\u00f3 h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb gi\u1ed1ng nhau, bao g\u1ed3m: 00, 11, 22, 33, 44, 55, 66, 77, 88 v\u00e0 99. N\u1ebfu s\u1ed1 v\u1ec1 l\u00e0 nh\u1eefng con s\u1ed1 n\u00e0y th\u00ec b\u1ea1n c\u1ea7n l\u1ea5y t\u1ed5ng \u0111\u1ec1 c\u1ee7a n\u00f3. V\u00ed d\u1ee5 l\u00f4 k\u00e9p v\u1ec1 l\u00e0 22 th\u00ec b\u1ea1n c\u00f3 t\u1ed5ng \u0111\u1ec1 l\u00e0 2+2=4. L\u00fac n\u00e0y b\u1ea1n s\u1ebd d\u00f9ng 4 k\u1ebft h\u1ee3p v\u1edbi s\u1ed1 2 trong \u0111\u1ec1 k\u00e9p. Nh\u01b0 v\u1eady b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 \u0111\u1eb9p bao g\u1ed3m 24 v\u00e0 42. <\/p>\n\n\n\n

Soi l\u00f4 b\u1ea1ch th\u1ee7 d\u1ef1a v\u00e0o h\u00ecnh qu\u1ea3 tr\u00e1m v\u00e0 h\u00ecnh khuy\u1ebft g\u00f3c<\/strong><\/h3>\n\n\n\n

Chi\u1ebfn thu\u1eadt ti\u1ebfp theo m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng l\u00e0 chi\u1ebfn thu\u1eadt h\u00ecnh qu\u1ea3 tr\u00e1m v\u00e0 chi\u1ebfn thu\u1eadt khuy\u1ebft g\u00f3c. V\u1edbi chi\u1ebfn thu\u1eadt n\u00e0y th\u00ec b\u1ea1n s\u1ebd c\u00f3 2 con s\u1ed1 A v\u00e0 B n\u1eb1m \u1edf 2 gi\u1ea3i li\u1ec1n k\u1ec1 nhau. N\u1ebfu 2 con s\u1ed1 n\u00e0y t\u1ea1o th\u00e0nh h\u00ecnh khuy\u1ebft g\u00f3c hay h\u00ecnh qu\u1ea3 tr\u00e1m th\u00ec b\u1ea1n s\u1ebd ch\u1ed1t ngay s\u1ed1 B v\u00e0 A.<\/p>\n\n\n\n

V\u00ed d\u1ee5 nh\u01b0 s\u1ed1 v\u1ec1 l\u00e0 2 v\u00e0 0 t\u1ea1o th\u00e0nh h\u00ecnh khuy\u1ebft g\u00f3c hay h\u00ecnh qu\u1ea3 tr\u00e1m th\u00ec b\u1ea1n s\u1ebd c\u00f3 s\u1ed1 \u0111\u1eb9p \u0111\u1ec3 ch\u1ed1t l\u00e0 02.<\/p>\n\n\n\n

\"Soi<\/figure>\n\n\n\n

Soi l\u00f4 b\u1ea1ch th\u1ee7 d\u1ef1a v\u00e0o h\u00ecnh qu\u1ea3 tr\u00e1m v\u00e0 h\u00ecnh khuy\u1ebft g\u00f3c<\/em><\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng \u0111\u1ec1 cho vi\u1ec7c d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay<\/strong><\/h2>\n\n\n\n

Trong s\u1ed1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n b\u1ea1ch th\u1ee7 l\u00f4 si\u00eau chu\u1ea9n h\u00f4m nay <\/strong>th\u00ec n\u1ed5i l\u00ean m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p g\u1ecdi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng \u0111\u1ec1. T\u1ed5ng \u0111\u1ec1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\n\n\n\n

\u0110\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\n\n\n\n

\u0110\u1ea7u \u0111u\u00f4i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c d\u00f9ng v\u1edbi s\u1ed1 \u0111\u1ea7u v\u00e0 s\u1ed1 \u0111u\u00f4i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. V\u00ed d\u1ee5 s\u1ed1 v\u1ec1 l\u00e0 293845 th\u00ec b\u1ea1n s\u1ebd c\u00f3 s\u1ed1 2 v\u00e0 s\u1ed1 5. B\u1ea1n l\u1ea5y t\u1ed5ng \u0111\u1ec1 2+5=7. B\u1ea1n s\u1ebd gh\u00e9p 7 c\u00f9ng v\u1edbi nh\u1eefng con s\u1ed1 c\u00f2n l\u1ea1i c\u1ee7a gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. L\u00fac n\u00e0y b\u1ea1n s\u1ebd c\u00f3 d\u00e0n b\u1ea1ch th\u1ee7 l\u00f4 l\u00e0:<\/p>\n\n\n\n