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y=(2-3x)/(x+1)=5/(x+1)-3 .等于吗,
人气:180 ℃ 时间:2020-05-04 05:25:18
解答
y=(2-3x)/(x+1)
=(5-3-3x)/(x+1)
=[5-3(x+1)]/(x+1)
=5/(x+1) -3(x+1)/(x+1)
=5/(x+1) -3
等于.正确
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