解题:[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x

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解题:[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x
解题:[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x

解题:[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷4x