数学题在线解答 1×2×3×4×5×6×7×8×9×.×99的末尾有几个零?

问题描述:

数学题在线解答 1×2×3×4×5×6×7×8×9×.×99的末尾有几个零?
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1个回答 分类:数学 2014-11-11

问题解答:

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[99/5]+[99/25] = 19+3 = 22个
99!=933262154439441526816992388562667004907159682643816214685929638952175999932299156089414639761565182862536979208272237582511852109168640000000000000000000000
 
 
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