下列各式中能用平方差公式计算的是( )A.(-x+y)(x-y)B.(x-y)(y-x)C.(x+y)(x-2y)D.(
下列各式中能用平方差公式计算的是()A.(-x+y)(x-y)B.(x-y)(y-x)C.(x+y)(x-2y)D.(x+y)(-x+y)...
下列各式中能用平方差公式计算的是( )A.(-x+y)(x-y)B.(x-y)(y-x)C.(x+y)(x-2y)D.(x+y)(-x+y)
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