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一道纠结了我很久的数学题
For every positive integer, the function h(n)is defined to be the product of all the even integers from 2 to n, inclusive. If P is the smallest prime factor of h(100)+1,then P is
A2到10
B10到20
C20到30
D30到40
E40到50
完全没有思路,望牛牛指点 |
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