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(3m-6)/(4-㎡)为一整数,求m的值
人气:222 ℃ 时间:2020-02-03 18:37:51
解答
(3m-6)/(4-㎡)
=[3(m-2)]/[(2+m)(2-m)]
=-3/(m+2)
m=-3,-1,-5,1
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