D\u00e0n \u0111\u1ec1 10 s\u1ed1 nu\u00f4i khung 3 ng\u00e0y \u0111\u01b0\u1ee3c c\u00e1c b\u1ea1n ch\u01a1i l\u00f4 \u0111\u1ec1 \u00e1p d\u1ee5ng r\u1ea5t hi\u1ec7u qu\u1ea3. T\u1ef7 l\u1ec7 tr\u00fang v\u1eeba ph\u1ea3i m\u00e0 ti\u1ec1n l\u1eddi l\u1ea1i cao. Trong th\u1ef1c t\u1ebf c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i d\u00e0n 10 s\u1ed1 kh\u00e1c nhau. D\u00e0n \u0111\u1ec1 lo\u1ea1i n\u00e0y th\u01b0\u1eddng th\u00ec ch\u1ec9 nu\u00f4i trong v\u00f2ng 3 ng\u00e0y. D\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho c\u00e1c b\u1ea1n bi\u1ebft m\u1ed9t s\u1ed1 d\u00e0n ph\u1ed5 bi\u1ebfn v\u00e0 kinh nghi\u1ec7m \u0111\u1ec3 nu\u00f4i d\u00e0n n\u00e0y.<\/strong><\/p>\n <\/p>\n L\u00e0 m\u1ed9t d\u00e0n g\u1ed3m 10 s\u1ed1 \u0111\u1ec1 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp d\u1ef1a tr\u00ean 1 thu\u1eadt to\u00e1n, m\u1ed9t tr\u00ecnh t\u1ef1 logic hay m\u1ed9t c\u00e1ch th\u1ee9c \u0111\u1eb7c bi\u1ec7t n\u00e0o \u0111\u00f3.<\/p>\n \u0110\u00e2y l\u00e0 c\u00e1ch \u0111\u00e1nh l\u00f4 \u0111\u1ec1 hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ea5t nhi\u1ec1u trong n\u0103m 2024. L\u00fd do l\u00e0 d\u00e0n \u0111\u1ec1 n\u00e0y \u00edt s\u1ed1 n\u00ean chi ph\u00ed s\u1ebd th\u1ea5p nh\u01b0ng kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng quanh n\u0103m. N\u1ebfu \u0111\u00e1nh d\u00e0n \u0111\u1ec1 10 s\u1ed1 tr\u00fang th\u00ec s\u1ebd c\u00f3 l\u1ee3i nhu\u1eadn nhi\u1ec1u h\u01a1n d\u00e0n d\u1ec1 20 s\u1ed1, d\u00e0n \u0111\u1ec1 \u0111\u1ea7u cao \u0111\u00edt ch\u1eb5n, d\u00e0n \u0111\u1ec1 36 s\u1ed1, d\u00e0n \u0111\u1ec1 28 s\u1ed1, d\u00e0n \u0111\u1ec1 t\u1ed5ng ch\u1eb5n t\u1ed5ng l\u1ebb hay d\u00e0n \u0111\u1ec1 56 s\u1ed1 mi\u1ec5n ph\u00ed\u2026vv. Ng\u01b0\u1ee3c l\u1ea1i th\u00ec t\u1ef7 l\u1ec7 tr\u00fang s\u1ebd k\u00e9m h\u01a1n. Nh\u01b0ng v\u00ec 1 l\u00fd do n\u00e0o \u0111\u00f3 nh\u01b0 gi\u1ea5c m\u01a1, ng\u01b0\u1eddi kh\u00e1c m\u00e1ch s\u1ed1, hay d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 ng\u00e0y tr\u01b0\u1edbc \u0111\u00f3; Th\u00ec b\u1ea1n s\u1ebd k\u1ebft v\u00e0 ch\u1ecdn b\u1ed9 s\u1ed1 h\u1ee3p l\u00fd theo t\u00ednh to\u00e1n c\u1ee7a m\u00ecnh.<\/p>\n C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i d\u00e0n \u0111\u1ec1 10 s\u1ed1 v\u00e0 bi\u1ebfn th\u1ec3 c\u1ee7a n\u00f3, bi\u1ebft ch\u1ecdn d\u00e0n n\u00e0o \u0111\u1ec3 \u0111\u00e1nh? K\u00e9p b\u1eb1ng g\u1ed3m c\u00e1c s\u1ed1 m\u00e0 s\u1ed1 h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb gi\u1ed1ng nhau:<\/p>\n 00,11,22,33,44,55,66,77,88,99<\/p>\n K\u00e9p l\u1ec7ch g\u1ed3m c\u00e1c s\u1ed1 m\u00e0 s\u1ed1 h\u00e0ng ch\u1ee5c l\u00e0 s\u1ed1 b\u00f3ng d\u01b0\u01a1ng c\u1ee7a h\u00e0ng \u0111\u01a1n v\u1ecb:<\/p>\n 05,50,16,61,27,72,38,83,49,94<\/p>\n K\u00e9p \u00e2m g\u1ed3m c\u00e1c s\u1ed1 m\u00e0 s\u1ed1 h\u00e0ng ch\u1ee5c l\u00e0 s\u1ed1 b\u00f3ng \u00e2m c\u1ee7a h\u00e0ng \u0111\u01a1n v\u1ecb<\/p>\n 07,70,14,41,29,92,36,63,58,85<\/p>\n Ta c\u00f3 10 t\u1ed5ng \u0111\u1ec1:<\/p>\n T\u1ed5ng 0:<\/p>\n 00,19,28,37,46,55,64,73,82,91<\/p>\n T\u1ed5ng 1: T\u1ed5ng 2: T\u1ed5ng 3: T\u1ed5ng 4: T\u1ed5ng 5: T\u1ed5ng 6: T\u1ed5ng 7: T\u1ed5ng 8: T\u1ed5ng 9: Ta c\u00f3 c\u00e1c d\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u nh\u01b0 sau:<\/p>\n \u0110\u1ea7u 0:<\/p>\n 00,01,02,03,04,05,06,07,08,09<\/p>\n \u0110\u1ea7u 1: \u0110\u1ea7u 2: \u0110\u1ea7u 3: \u0110\u1ea7u 4: \u0110\u1ea7u 5: \u0110\u1ea7u 6: \u0110\u1ea7u 7: \u0110\u1ea7u 8: \u0110\u1ea7u 9: Ta c\u00f3 c\u00e1c d\u00e0n \u0111\u1ec1 theo \u0111\u00edt sau:<\/p>\n \u0110\u00edt 0:<\/p>\n 00,10,20,30,40,50,60,70,80,90<\/p>\n \u0110\u00edt 1: \u0110\u00edt 2: \u0110\u00edt 3: \u0110\u00edt 4: \u0110\u00edt 5: \u0110\u00edt 6: \u0110\u00edt 7: \u0110\u00edt 8: \u0110\u00edt 9: 05,50,16,61,27,72,38,83,49,94<\/p>\n 00,12,24,36,48,50,62,74,86,98<\/p>\n 12,25,38,41,54,67,70,83,96<\/p>\n 00,13, 26,39,42,55,68,71,84,97.<\/p>\n 00,01,01,02,04,07,13,24,44,81<\/p>\n 02,01,03,04,07,11,18,29,47,76<\/p>\n 01,02,03,05,08,13,21,34,55,89<\/p>\n 02,03,05,07,11,13,17,19,23,29<\/p>\n 13,17,31,37,71,73,79,97,07,13<\/p>\n 06,28,49,96,81,28,33,55,03,36<\/p>\n 01,04,08,09,16,25,27,32,36,49<\/p>\n <\/p>\n 48,75,40,95,50,25,75,48,24,95<\/p>\n 02,05,52,88,96,20,24,46,62,88<\/p>\n Ch\u00fac c\u00e1c b\u1ea1n may m\u1eafn v\u00e0 chi\u1ebfn th\u1eafng.<\/p>\n<\/div>\n<\/span>D\u00c0N \u0110\u1ec0 10 S\u1ed0 L\u00c0 G\u00cc<\/span><\/strong><\/h2>\n
\n
<\/span>C\u00c1CH S\u1eec D\u1ee4NG<\/span><\/strong><\/h2>\n
\nD\u00e0n \u0111\u1ec1 10 s\u1ed1 th\u01b0\u1eddng th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c nu\u00f4i khung 3 ng\u00e0y th\u00ec s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 v\u1ec1 kinh t\u1ebf v\u00e0 th\u1eddi gian t\u1ed1t nh\u1ea5t. V\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e2u n\u0103m th\u00ec h\u1ecd c\u00f3 c\u00e1ch k\u1ebft \u0111\u1ec1 theo ki\u1ec3u ri\u00eang c\u1ee7a m\u00ecnh. V\u00ed d\u1ee5 nh\u01b0:
\n\u2013 Ch\u1ec9 m\u01a1 th\u1ea5y s\u1ed1 8 th\u00ec c\u00f3 th\u1ec3 \u0111\u00e1nh t\u1ed5ng 8 ho\u1eb7c \u0111\u1ea7u 8 \u0111\u00edt 8.
\n\u2013 M\u01a1 th\u1ea5y c\u00e1i g\u00ec \u0111\u00f3 song song ho\u1eb7c b\u1eb1ng nhau th\u00ec b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e1nh \u0111\u1ec1 k\u00e9p b\u1eb1ng.<\/p>\n<\/span>C\u00c1C D\u00c0N \u0110\u1ec0 TH\u01af\u1edcNG D\u00d9NG:<\/span><\/strong><\/h2>\n
<\/span>D\u00e0n \u0111\u1ec1 k\u00e9p b\u1eb1ng:<\/strong><\/h3>\n
<\/span>D\u00e0n \u0111\u1ec1 k\u00e9p l\u1ec7ch:<\/strong><\/h3>\n
<\/span>D\u00e0n \u0111\u1ec1 k\u00e9p \u00e2m:<\/strong><\/h3>\n
<\/span>D\u00e0n \u0111\u1ec1 theo t\u1ed5ng:<\/strong><\/h3>\n
\n01,10,29,38,47,56,65,74,83,92<\/p>\n
\n02,11,20,39,48,57,66,75,84,93<\/p>\n
\n03,12,21,30,49,58,67,76,85,94<\/p>\n
\n04,13,22,31,40,59,68,77,86,95<\/p>\n
\n05,14,23,32,41,50,69,78,87,96<\/p>\n
\n06,15,24,33,42,51,60,79,88,97<\/p>\n
\n07,16,25,34,43,52,61,70,89,98<\/p>\n
\n08,17,26,35,44,53,62,71,80,99<\/p>\n
\n09,18,27,36,45,54,63,72,81,90<\/p>\n<\/span>D\u00e0n \u0111\u1ec1 theo \u0111\u1ea7u:<\/strong><\/h3>\n
\n10,11,12,13,14,15,16,17,18,19<\/p>\n
\n20,21,22,23,24,25,26,27,28,29<\/p>\n
\n30,31,32,33,34,35,36,37,38,39<\/p>\n
\n40,41,42,43,44,45,46,47,48,49<\/p>\n
\n50,51,52,53,54,55,56,57,58,59<\/p>\n
\n60,61,62,63,64,65,66,67,68,69<\/p>\n
\n70,71,72,73,74,75,76,77,78,79<\/p>\n
\n80,81,82,83,84,85,86,87,88,89<\/p>\n
\n90,91,92,93,94,95,96,97,98,99<\/p>\n<\/span>D\u00e0n \u0111\u1ec1 theo \u0111\u00edt:<\/strong><\/h3>\n
\n01,11,21,31,41,51,61,71,81,91<\/p>\n
\n02,12,22,32,42,52,62,72,82,92<\/p>\n
\n03,13,23,33,43,53,63,73,83,93<\/p>\n
\n04,14,24,34,44,54,64,74,84,94<\/p>\n
\n05,15,25,35,45,55,65,75,85,95<\/p>\n
\n06,16,26,36,46,56,66,76,86,96<\/p>\n
\n07,17,27,37,47,57,67,77,87,97<\/p>\n
\n08,18,28,38,48,58,68,78,88,98<\/p>\n
\n09,19,29,39,49,59,69,79,89,99<\/p>\n<\/span>M\u1ed9t s\u1ed1 d\u00e0n \u0111\u1ec1 10 s\u1ed1 ph\u1ed5 bi\u1ebfn<\/strong><\/span><\/h3>\n
<\/span>D\u00e0n \u0111\u1ec1 hi\u1ec7u 5:<\/span><\/strong><\/h4>\n
<\/span>Hi\u1ec7u l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean t\u0103ng d\u1ea7n.<\/strong><\/span><\/h4>\n
<\/span>Hi\u1ec7u l\u00e0 s\u1ed1 l\u00e0 s\u1ed1 l\u1ebb t\u1ef1 nhi\u00ean t\u0103ng d\u1ea7n.<\/strong><\/h4>\n
<\/span>Hi\u1ec7u l\u00e0 s\u1ed1 l\u00e0 s\u1ed1 ch\u1eb5n t\u1ef1 nhi\u00ean t\u0103ng d\u1ea7n.<\/strong><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 Tribonacci:<\/strong><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 Lucas:<\/strong><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 Fibonacci:<\/strong><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 10 s\u1ed1 nguy\u00ean t\u1ed1 :<\/strong><\/span><\/h3>\n
<\/span>D\u00e0n \u0111\u1ec1 Emirp:<\/strong><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 s\u1ed1 Ho\u00e0n h\u1ea3o ( Nicomachus):<\/strong><\/span><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 M\u1ea1nh m\u1ebd ( G\u00f3t ch\u00e2n Achilles):<\/strong><\/span><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 H\u1ee9a h\u00f4n:<\/strong><\/h4>\n
<\/span>D\u00e0n \u0111\u1ec1 10 s\u1ed1 b\u1ea5t kh\u1ea3 x\u00e2m ph\u1ea1m:<\/strong><\/span><\/h4>\n
\n
<\/div>\n\n