勾股定理中A的平方+B的平方=C的平方.C要怎么开方.急...一步一步来.

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Dim i As Long,j As Long,k As Long For i = 1 To 20 For j = i To 20 For k = j To 20 If i ^ 2 + j ^ 2 = k ^ 2 Then Print i; j; k Next k Next j Next i 所有的符合要求的答案是：3,4,5 5,12,13 6,8,10 8,15,17 9,12,15 12,16,20