1 . 给出下列四个命题:①命题“
”的否定是“
”;②
是空间中的三条直线,
的充要条件是
且
;③命题“在
中,若
,则
”的逆命题为假命题;④对任意实数
,有
,且当
时,
,则当
时,
.其中的真命题是_______ .(写出所有真命题的编号)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/1d24cbae03f94ecdbf1a3efc0321c980.png?resizew=111)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/129c79a96e004c82b6da0ddce607c58e.png?resizew=108)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/a90ea1db0caa464fbf9e7322e4dfec14.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/996920c7cce94b439c4be72719126aee.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/5a9c4c7408c1404a8ab33eb992e38100.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/cf407a89c8e745caa2caf2ae5593e703.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/0b01d8e673384558a34c427d8a1a694d.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/46b73eb5e466471496e289f9c2997c6d.png?resizew=42)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/d6e2c0e456f8465690a4c769e52acc22.png?resizew=84)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/04e6b5b68cea4965b25fcadce256e1fc.png?resizew=14)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/aa0220f6576d4383afea1f309e706894.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/4264da6b8fc246ffb74d2fa702e721ec.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/21029ab1ecdf4b60b2dea0a80f759d04.png?resizew=62)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/a6f2fa0071c040449b1fb0a2d9b4236e.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573117252911104/1573117259030528/STEM/ee0765da1d644b11a01ca49ba956c6bb.png?resizew=62)
您最近一年使用:0次
14-15高三上·云南玉溪·阶段练习
名校
2 . 下列说法正确的是
A.若命题![]() ![]() |
B.命题:“若![]() ![]() ![]() ![]() ![]() ![]() |
C.命题“![]() ![]() |
D.“![]() ![]() |
您最近一年使用:0次
2016-12-03更新
|
1203次组卷
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6卷引用:2015届云南省玉溪一中高三上学期第一次月考理科数学试卷