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七巧年

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isee posted 2014-3-31 13:09 |Read mode
如果某年年份的各位数字之和为7,我们称该年为“七巧年”.例如,今年
    年份2014的各位数字之和为7,所以今年恰为“七巧年”.那么从2000年
    到2999年中“七巧年”共有
  (A)24个        (B)21个        (C)19个         (D)18个

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其妙 posted 2014-3-31 17:30
回复 1# isee
这叫闲聊吹水?

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original poster isee posted 2014-4-1 01:07
这是高三一棍压轴选择 信不?

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