\u0110\u1ec1 k\u00e9p l\u1ec7ch bao nhi\u00eau con?<\/strong><\/h2>\n\n\n\nC\u00e1c s\u1ed1 \u0111\u1ec1u l\u00e0 b\u00f3ng c\u1ee7a nhau, khi gh\u00e9p c\u00e1c c\u1eb7p s\u1ed1 l\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c 2 c\u1eb7p s\u1ed1 k\u00e9p l\u1ec7ch kh\u00e1c nhau.<\/p>\n\n\n\n
Nh\u01b0 v\u1eady, anh em s\u1ebd tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c k\u00e9p l\u1ec7ch bao nhi\u00eau con? V\u00ed d\u1ee5: 2 v\u00e0 7 l\u00e0 b\u00f3ng c\u1ee7a nhau, gh\u00e9p l\u1ea1i \u0111\u01b0\u1ee3c 2 c\u1eb7p k\u00e9p l\u1ec7ch l\u00e0 27 v\u00e0 72.<\/p>\n\n\n\n
Suy ra, nh\u1eefng s\u1ed1 k\u00e9p l\u1ec7ch s\u1ebd c\u00f3 l\u00e0 50-05, 16-61, 27-72, 38-83, 49-94. N\u1ebfu \u0111\u1ec3 \u00fd s\u1ebd th\u1ea5y, nh\u1eefng c\u1eb7p s\u1ed1 n\u00e0y 2 s\u1ed1 \u0111\u1ec1u ch\u00eanh nhau 5 \u0111\u01a1n v\u1ecb. V\u00ed d\u1ee5: 1-6=-5, 7-2=5.<\/p>\n\n\n\n
D\u1ef1a v\u00e0o nh\u1eefng \u0111\u1ec1 k\u00e9p l\u1ec7ch n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho vi\u1ec7c soi c\u1ea7u, d\u1ef1 \u0111o\u00e1n con s\u1ed1 may m\u1eafn ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n\n\n\n
Ngo\u00e0i nh\u1eefng con s\u1ed1 v\u1ec1 k\u00e9p l\u1ec7ch th\u00ec c\u00f2n t\u00ecm ra \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u c\u00e1c con s\u1ed1 kh\u00e1c nh\u01b0 \u0111\u1ec1 k\u00e9p l\u1ec7ch, s\u00e1t k\u00e9p l\u1ec7ch, k\u00e9p \u00e2m\u2026<\/em>\u0110\u1ec1 k\u00e9p l\u1ec7ch bao g\u1ed3m bao nhi\u00eau con<\/em><\/p>\n\n\n\nC\u00e1ch \u0111\u00e1nh \u0111\u1ec1 k\u00e9p l\u1ec7ch chu\u1ea9n x\u00e1c<\/strong><\/h2>\n\n\n\nXem qua gi\u1ea3i \u0111\u1eb7c bi\u1ec7t<\/strong><\/h3>\n\n\n\nXem l\u1ea1i k\u1ebft qu\u1ea3 c\u1ee7a nh\u1eefng l\u1ea7n m\u1edf th\u01b0\u1edfng tr\u01b0\u1edbc \u0111\u00f3, \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn gi\u1ea3i \u0111\u1eb7c bi\u1ec7t. N\u1ebfu nh\u01b0 gi\u1ea3i \u0111\u1eb7c bi\u1ec7t xu\u1ea5t hi\u1ec7n \u0111\u1ec1 k\u00e9p th\u00ec \u0111\u00f3 ch\u00ednh l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a vi\u1ec7c \u0111\u1ec1 k\u00e9p l\u1ec7ch c\u00f3 kh\u1ea3 n\u0103ng s\u1ebd v\u1ec1 trong v\u00e0i ng\u00e0y s\u1eafp t\u1edbi.<\/p>\n\n\n\n
- V\u00ed d\u1ee5: gi\u1ea3i \u0111\u1eb7c bi\u1ec7t v\u1ec1 12088 ho\u1eb7c 22986, th\u00ec 88 v\u00e0 22 ch\u00ednh l\u00e0 d\u1ea5u hi\u1ec7u \u0111\u1ec3 b\u1ea1n b\u1eaft k\u00e9p l\u1ec7ch.<\/li><\/ul>\n\n\n\n
Khi bi\u1ebft \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng s\u1ebd v\u1ec1 th\u00ec l\u1ea1i ti\u1ebfn h\u00e0nh b\u1eaft b\u00f3ng nh\u1eefng con s\u1ed1 \u0111\u00f3 \u0111\u1ec3 b\u00e1m s\u00e1t h\u01a1n \u0111\u1ebfn c\u1eb7p \u0111\u1ec1 k\u00e9p. Nh\u01b0 v\u1eady, vi\u1ec7c t\u00ecm ra con s\u1ed1 c\u0169ng kh\u00f4ng qu\u00e1 kh\u00f3 ch\u1ec9 c\u1ea7n tinh m\u1eaft, ch\u00fa \u00fd v\u00e0 c\u00f3 th\u00eam s\u1ef1 ki\u00ean nh\u1eabn. Anh em m\u1edbi ch\u01a1i c\u00f3 th\u1ec3 th\u1eed c\u00e1ch n\u00e0y, k\u1ec3 c\u1ea3 trong vi\u1ec7c b\u1eaft b\u1ea1ch th\u1ee7 l\u00f4 c\u0169ng r\u1ea5t d\u1ec5 v\u1ec1.<\/p>\n\n\n\n
M\u1eb7c d\u00f9, ch\u01a1i l\u00f4 \u0111\u1ec1 l\u00e0 ph\u1ea3i c\u00f3 th\u1eafng thua v\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu y\u1ebfu t\u1ed1 may m\u1eafn. Cho n\u00ean, d\u00f9 c\u00f3 k\u1ebft qu\u1ea3 nh\u01b0 th\u1ebf n\u00e0o th\u00ec h\u00e3y lu\u00f4n gi\u1eef t\u00e2m tr\u1ea1ng tho\u1ea3i m\u00e1i.<\/p>\n\n\n\n