函数中自变量x的取值范围是( )
A.x≠0 | B.x≠2 | C.x≠-2 | D.x>-2 |
更新时间:2016-12-05 20:02:36
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A.x≠0 | B.x≠2 | C.x≠-2 | D.x>-2 |