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(x-2y)^2+16y-8x+16因式分解
人气:126 ℃ 时间:2020-04-28 13:58:03
解答
(x-2y)^2+16y-8x+16
=(x-2y)^2-8x+16y+16
=(x-2y)^2-8(x-2y)+16
=[(x-2y)-4]^2
=(x-2y-4)^2
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