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抛物线y=-(x-3)2-5的对称轴是直线A.x=-3B.x=3C.x=5D.x=-5
试题详情
抛物线y=-
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)
(x-3)
2-5的对称轴是直线( )
A.x=-3
B.x=3
C.x=5
D.x=-5
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