方程x2(x-1)=0的根是( ) A.0 B.1 C.0,-1 D.0,1 发布时间:2017-04-21 13:47 │ 来源:www.tikuol.com 题型:选择题 问题: 方程x2(x-1)=0的根是( )A.0B.1C.0,-1D.0,1
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题型:选择题 Books _____ out in this shop. We can _____ now.[ ]A. have been sold, get nothing B. has been sold, get nothingC. has been sold, get some D. have been sold, get some 查看答案