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(2000•河北)已知y=(a-1)xa是反比例函数,则它的图象在( ) A.第...
(2000•河北)已知y=(a-1)xa是反比例函数,则它的图象在( )
A.第一,三象限
B.第二,四象限
C.第一,二象限
D.第三,四象限
考点分析:
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