如果(x+2y)2+3(x+2y)-4=0,那么x+2y的值为( ) A.1 B 发布时间:2017-04-24 10:37 │ 来源:www.tikuol.com 题型:选择题 问题: 如果(x+2y)2+3(x+2y)-4=0,那么x+2y的值为( )A.1B.-4C.1或-4D.-1或3
题型:选择题 一 you your dictionary?—No. So I have to buy a new one today.A.Did; findB.Have; foundC.Are; findingD.Had; found 查看答案