下列数组中,是勾股数的是( ▲ ) A、2,2,4  B、  C、0.2,0.3,0.

下列数组中,是勾股数的是( ▲ )

 A、2,2,4  B、  C、0.2,0.3,0.5  D、

 

答案

B

 解析:略

 

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