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化简:(5x-3y+2xy)-(6x+4x-3xy)
人气:213 ℃ 时间:2020-06-17 13:47:09
解答
(5x-3y+2xy)-(6x+4x-3xy)
=5x-3y+2xy-6x-4x+3xy
=-5x-3y+5xy
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