“
”是“直线
与
平行”的__________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d782efdac56b5359072e8602fff34357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4775240904a90e112b86ca6b9dc71364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1074bb5b5495cb173085af0c54c12559.png)
20-21高三下·四川南充·阶段练习 查看更多[3]
四川省南充市白塔中学2020-2021学年高三下学期5月考试数学(理)试题黑龙江省哈尔滨市剑桥第三中学2022-2023学年高二上学期9月月考数学试题(已下线)1.3 两条直线的位置关系(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
更新时间:2022-09-23 18:33:11
|
相似题推荐
填空题-单空题
|
较易
(0.85)
【推荐1】下列四个命题:
①命题“若
,则
”的逆否命题为“若
,则
”;
②若“
或
”是假命题,则“
且
”是真命题;
③若
:
,
:
,则
是
的充要条件;
④已知命题
:存在
,使得
成立,则
:任意
,均有
成立;
其中正确命题的序号是___________ .
①命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c581913b2d08b871608e939f29cb24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059eafaba1bb419030b566813c5bb04a.png)
②若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b266eb25cd92b5952e79651d656b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d629f15cac7d8c3cb9db7bc464474b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
④已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba05bd022040d172f2f63ad429b7a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b652287dd232f8c16d980143eaf8361.png)
其中正确命题的序号是
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知下列命题:
①“
”是“
”的充分必要条件;
②设
,则“
且
”是“
”的必要不充分条件;
③设
,则“
”是“
”的必要不充分条件.
其中正确命题的序号是________ .
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e39ed1fa73c58f8614ab27edb32699.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27f27cbb8185c1974d715ff95f8801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a583e1950f97c1c88fc322421fd1dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29d8c59554191f56ef5bc00eb50297a.png)
③设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
其中正确命题的序号是
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐1】直线2x+y+m=0和x+2y+n=0的位置关系是________ .
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】已知直线
,
,则直线
,
之间距离的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11597efacecb5d9017da39f77406b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648756617ce82fc420e9cbe0b427fa1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】已知
,直线
与直线
平行,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909f44a080b42d85b7ad594732c6e61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2caf6048aa0807d8ba591963ff6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知直线
:
和
:
,则
的充分条件是![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/0f62df3c966148079bad63dc9525dde8.png?resizew=25)
_________ .
![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/15200f8cdc614c1f98e928031f700ffa.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/7943997225e34ecabdcb07b2d2009263.png?resizew=89)
![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/7848df0dea024534842a5672a4bea608.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/6590912951c6472ca53b65ecf5798e87.png?resizew=144)
![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/f119f38781954687be9420c802cb1b04.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/10/9/1826275190153216/1826275190546432/STEM/0f62df3c966148079bad63dc9525dde8.png?resizew=25)
您最近一年使用:0次