Set D as non square factor positive integer.

设D是无平方因子正整数。

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Let D be a positive integer with square free.

设d是无平方因子正整数。

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Suppose D is a positive integer with square free.

设d是无平方因子正整数。

youdao

Suppose D is a positive integer with square free.

设d是无平方因子正整数。

youdao