计算:(4x^2-y^2)÷4x^2-4xy y^2/2x-y
2个回答
(4x^2-y^2)÷4x^2-4xy y^2/2x-y
=(2x+y)(2x-y)÷ (2x-y)^2/(2x-y)
=2x+y
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