在1~50这50个自然数中,任取三个不同的数,其中能组成公比为正整数的等比数列的概率是:A.3/2450 B.13/2450 C.13/4900 D...

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问题 在1~50这50个自然数中,任取三个不同的数,其中能组成公比为正整数的等比数列的概率是:
选项 A.3/2450 B.13/2450 C.13/4900 D.103/4900
答案 A
解析

相关内容:自然数,三个,成公,整数,概率

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