题干

当2x+1和﹣3x+2互为相反数时,则x2﹣2x+1=____.
上一题 下一题 0.0难度 选择题 更新时间:2020-03-30 10:10:14

答案(点此获取答案解析)

4

同类题4

The film is said to have cost _________ money because of lots of famous stars performing in it.