5x(x-y)等于?
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5x(x-y)等于?
5x(x-y)等于?
5x(x-y)等于?
5x的平方-5xy
5x2-5xy(2是平方)
5x(x-y)=5x^2-5xy
if x=5 and y=4
the Answer of 5x(x-y) is 25
5x(x-y)等于?
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