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[6(x+2)-8(x+2)(x-2)+10(x+2)]/2(x+2)怎么做
人气:408 ℃ 时间:2020-05-09 09:10:09
解答
[6(x+2)-8(x+2)(x-2)+10(x+2)]/2(x+2)
=6(x+2)/2(x+2)-8(x+2)(x-2)/2(x+2)+10(x+2)/2(x+2)
=3-4(x-2)+5
=16-4x
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