(x-2 y)(2 x+3y)-3(2y-x)(2x-3y)求解提公因式,
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(x-2 y)(2 x+3y)-3(2y-x)(2x-3y)求解提公因式,
(x-2 y)(2 x+3y)-3(2y-x)(2x-3y)求解提公因式,
(x-2 y)(2 x+3y)-3(2y-x)(2x-3y)求解提公因式,
你这孩子,老师给你出题是让你做,你在这问开别人了.
2(x-y)²-3(x-y)(-y-x)
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