S<\/strong>\u1ed1<\/strong> \u0111\u1ec1<\/strong> l\u00e0 g\u00ec<\/strong> hi\u1ec7n nay \u0111ang \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m v\u00e0 t\u00ecm ki\u1ebfm. \u0110\u1ed1i v\u1edbi d\u00e2n trong ngh\u1ec1 th\u00ec kh\u00f4ng ai l\u00e0 kh\u00f4ng bi\u1ebft \u0111\u1ebfn s\u1ed1 \u0111\u1ec1 hay b\u1ea1ch th\u1ee7 \u0111\u1ec1, \u0111\u1ed9c th\u1ee7 \u0111\u1ec1 l\u00e0 g\u00ec,\u2026 nh\u01b0ng \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u1eadp ch\u1eefng b\u01b0\u1edbc v\u00e0o ng\u00e0nh gi\u1ea3i tr\u00ed l\u00f4 \u0111\u1ec1 x\u1ed5 s\u1ed1 th\u00ec \u0111\u00e2y v\u1eabn l\u00e0 c\u00e2u h\u1ecfi c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p.<\/p>\n S\u1ed1 \u0111\u1ec1 l\u00e0 c\u00e1c con s\u1ed1 \u0111\u01b0\u1ee3c d\u1ef1a v\u00e0o k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 do nh\u00e0 n\u01b0\u1edbc t\u1ed5 ch\u1ee9c ph\u00e1t h\u00e0nh. Tr\u00f2 ch\u01a1i n\u00e0y d\u1ef1a v\u00e0o 2 s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c gi\u1ea3i \u0111\u1ec3 l\u00e0m gi\u1ea3i th\u01b0\u1edfng v\u1edbi c\u00e1c t\u1ec9 l\u1ec7 c\u01b0\u1ee3c kh\u00e1c nhau .V\u1edbi 2 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0110\u1ec1<\/strong>, c\u00f2n 2 s\u1ed1 cu\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c gi\u1ea3i s\u1ebd \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 L\u00f4<\/strong>.<\/p>\n Ngo\u00e0i ra c\u00f2n c\u00f3 gi\u1ea3i 3 s\u1ed1 cu\u1ed1i, 3 s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t s\u1ebd g\u1ecdi l\u00e0 \u0110\u1ec1 3 c\u00e0ng<\/strong>, 3 s\u1ed1 cu\u1ed1i c\u00e1c gi\u1ea3i t\u1eeb gi\u1ea3i s\u00e1u \u0111\u1ebfn gi\u1ea3i \u0111\u1eb7c bi\u1ec7t g\u1ecdi l\u00e0 L\u00f4 3 c\u00e0ng<\/strong>. T\u01b0\u01a1ng t\u1ef1 v\u1edbi \u0111\u1ec1 4 c\u00e0ng v\u00e0 l\u00f4 4 c\u00e0ng.<\/p>\n V\u00ed d\u1ee5:<\/p>\n Theo b\u1ea3ng k\u1ebft qu\u1ea3 x\u1ed5 s\u1ed1 mi\u1ec1n B\u1eafc tr\u00ean \u0111\u00e2y th\u00ec<\/p>\n +\u0110\u1ec1 2 c\u00e0ng l\u00e0 20<\/strong><\/p>\n +L\u00f4 s\u1ebd l\u00e0 20, 17, 23, 32, 20, 07, 68, 25, 73, 98, 28, 92, 78, 15, 27, 21, 64, 17, 32, 81, 44, 18, 68, 70, 88, 39, 14.<\/strong><\/p>\n L\u01b0u \u00fd:<\/p>\n +N\u1ebfu b\u1ea1n ch\u1ecdn ch\u01a1i L\u00f4 th\u00ec con s\u1ed1 b\u1ea1n ch\u1ecdn d\u00f9 c\u00f3 tr\u00f9ng v\u1edbi s\u1ed1 cu\u1ed1i gi\u1ea3i \u0111\u1eb7c bi\u1ec7t b\u1ea1n v\u1eabn ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 tr\u00fang l\u00f4 th\u00f4i<\/p>\n +N\u1ebfu s\u1ed1 l\u00f4 b\u1ea1n ch\u1ecdn xu\u1ea5t hi\u1ec7n nhi\u1ec1u l\u1ea7n tr\u00ean trong c\u00e1c gi\u1ea3i b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 tr\u00fang nhi\u1ec1u nh\u00e1y<\/p>\n <\/p>\n Nhi\u1ec1u ng\u01b0\u1eddi ch\u01a1i c\u00f2n th\u1eafc m\u1eafc v\u1ec1 s\u1ef1 kh\u00e1c nhau gi\u1eefa \u0111\u1ec1 v\u00e0 l\u00f4. D\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 b\u1ea3ng so s\u00e1nh c\u1ee5 th\u1ec3 s\u1ef1 kh\u00e1ch nhau gi\u1eefa l\u00f4 v\u00e0 \u0111\u1ec1<\/p>\n1.S\u1ed1 \u0111\u1ec1 l\u00e0 g\u00ec<\/span><\/h2>\n
2. L\u00f4 v\u00e0 \u0111\u1ec1 kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/h2>\n