若全集U=R,*=                                             ...

來源:國語幫 1.58W

問題詳情:

若全集U=R,*若全集U=R,*=                                             ...=                                                     (    )

      A.(-2,2)                                            B.若全集U=R,*=                                             ... 第2張             

      C.若全集U=R,*=                                             ... 第3張                           D.若全集U=R,*=                                             ... 第4張

【回答】

A

知識點:*與函數的概念

題型:選擇題

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