2021高一·江苏·专题练习
1 . 对于任意实数
,命题(1)若
则
(2)若
则
(3)若
则
(4)若
则
;(5)若
则
其中正确的个数是( )
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A.1 | B.2 | C.3 | D.4 |
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4卷引用:西藏昌都市第一高级中学2021-2022学年高二上学期期中考试数学试题
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