(1)计算:12m2-9-2m-3(2)解分式方程:3xx+2-2x-2=3. 发布时间:2017-05-20 18:54 │ 来源:www.tikuol.com 题型:解答题 问题: (1)计算:12m2-9-2m-3(2)解分式方程:3xx+2-2x-2=3.