题干

已知命题p:∃n∈N,2n>100,则p的否定为(  )

A:∀n∈N,2n≤100

B:∀n∈N,2n>100

C:∃n∈N,2n≤100

D:∃n∈N,2n<100

上一题 下一题 0.0难度 选择题 更新时间:2018-10-19 03:43:12

答案(点此获取答案解析)

A

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