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標題:
xyz=60
發問:
x^2+Y^2=z^2 why xyz can be divided by 60???????????
最佳解答:
首先將60用因式分解化成 2x2x3x5 所以x, y, z就是3,4,5 由於x^2+Y^2=z^2 所以z>x,y z=5 x,y=3,4
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其他解答:
Just by guesting, x = 3,y = 4,z = 5 or any two of them is negative which satisfy the equation
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