已知命题p:函数f(x)=log0.5(3-x)的定义域为(-∞,3);命题q:若k<0,则函数h(x)=
在(0,+∞)上是增函数.则下列结论中错误的是________ .
①命题“p且q”为真;②命题“p或﹁q”为假;③命题“p或q”为假;④命题“﹁p且﹁q”为假.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
①命题“p且q”为真;②命题“p或﹁q”为假;③命题“p或q”为假;④命题“﹁p且﹁q”为假.
20-21高二·全国·单元测试 查看更多[2]
(已下线)第一章 常用逻辑用语(基础过关)-2020-2021学年高二数学单元测试定心卷(北师大版选修1-1)(已下线)第一章 常用逻辑用语(基础过关)-2020-2021学年高二数学单元测试定心卷(北师大版选修2-1)
更新时间:2021-03-13 22:49:14
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【推荐2】函数
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