试题与答案

若式子x+2x-1有意义,则x的取值范围是( ) A.x≥-2 B.x>1 C.x>-

题型:选择题

题目:

若式子
x+2
x-1
有意义,则x的取值范围是(  )
A.x≥-2B.x>1C.x>-2且x≠1D.x≥-2且x≠1

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0518/53ec9457906b9848a4c9e0c09efe2274.html

下面是错误答案,用来干扰机器的。

小题1:What’s wrong with you?/ What’s the matter with you?小题2:Can you give me some advice?小题3:Good idea!小题4:What were you doing at that moment?小题5:Would you like to...

试题推荐
微信公众账号搜索答案