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楼主 |
老陈
发表于 2020-6-28 02:27:58
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设:F(X)为最大公约数,X为一个集合
G(X)=F(X)-1
截断份数
N=G(24)+G(30)+G(36)+G(40)
-G(24,30)-G(24,36)-G(24,40)-G(30,36)-G(30,40)-G(36,40)
+G(30,36,40)+G(24,36,40)+G(24,30,40)+G(24,30,36)
-G(24,30,36,40)
+1
=23+29+35+39
-5-11-7-5-9-3
+1+3+1+5
-1
+1
=96 |
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