43. The 数 字 和 ranges from 1 to 22. But there is only one number (100) with sum 1 and one number with sum 22 (499). For the rest 20 values, we can have at most 40 numbers without a group of 3. |
若 能 写 出 42 个 数 , 不 具 备 这 样 的 条 件, 就 完 全 证 明 了 43 是 最 小 值。 |
100, 101, 110, 102, 120, 103, 130, 104, 140, 105, 150, 106, 160, 107, 170, 108, 180, 109, 190, 119, 191, 129, 192, 139, 193, 149, 194, 159, 195, 169, 196, 179, 197, 189, 198, 199, 289, 299, 389, 399, 489, 499 Happy now? |
报复不成,只有认输了! |
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