1 . 下列哪些条件可以作为实数a、b都不为零的充分非必要条件?填写序号:______ .
①
; ②
; ③
;
④
; ⑤
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff02207a096fec894267b892a0d7586.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a68dbd91d6de68b550a5745ecd461d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d465e39b5aa44efec6c6402a5795af.png)
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名校
2 . 如果“不到长城非好汉”是个真命题,那么“是好汉”是“到长城”的__________ 条件.(请在横线处选择“充分”、“必要”、“充要”、“既不充分也不必要”其中一个填写)
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3 . 用符号“
或
”连接命题
与
,并填写命题
是命题
的什么条件(填写充分非必要或必要非充分):
(1)
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af44228909a21fc73eb19c318d5dec89.png)
______
:
;
是
的______ 条件;
(2)
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c2ff2436dbb22f3da299922d2aafc3.png)
______
:
;
是
的______ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef73aff3fe470e367f4af24fdfff3df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df451a68e067e0e72621181e4353ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af44228909a21fc73eb19c318d5dec89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c2ff2436dbb22f3da299922d2aafc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/988b7e964e313579ab8869d67d5be007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2019-10-30更新
|
100次组卷
|
2卷引用:沪教版 高一年级第一学期 领航者 第一章 1.5充分条件,必要条件(1)
4 . 已知平面
,
和直线
,且
,则“
”是“
”的______ 条件.(在“充分不必要、必要不充分、充要、既不充分又不必要”选一填写.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41fd314b2e710461e4168d85e2df85b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac16b6d9ffc65507c5cd4083a1363937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057cdb4057bca398a838e868efd360f5.png)
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5 . “
”是“
”的____ 条件.(从“充要”,“充分不必要”,“必要不充分”,“既不充分又不必要”中选择一个正确的填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d141f34f18f4802d04ef2e4e5e803aba.png)
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6 . “x2-3x+2<0”是“-1<x<2”成立的______ 条件(在“充分不必要”,“必要不充分”,“充要”,“既不充分又不必要”中选一个填写).
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13-14高二下·江苏扬州·期末
7 . “
”是“函数
为奇函数”的_______ 条件.
(从“充要”,“充分不必要”,“必要不充分”,“既不充分也不必要”中选择适当的填写)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/590e165e407098fcac9f871beb047dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ea070a08757077f748e0b631168483.png)
(从“充要”,“充分不必要”,“必要不充分”,“既不充分也不必要”中选择适当的填写)
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11-12高二·辽宁铁岭·阶段练习
8 . 下列说法错误的是_________ (填写序号)
①命题“若
,则
”的逆否命题是“若
,则
”;
②“
”是“
”的充分不必要条件;
③若“
”为假命题,则
均为假命题;
④命题
:“
,使得
”,则
:“
,均有
”.
①命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.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/9a8a2a94168af9b16ce89271a5d8dc6b.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e38581b43f437454b86dae0daed9a2f.png)
③若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
④命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264dab145ceba44696a6ee63b1e1549d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23f44f1fd8bb878e9542cd81e46ba3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1c77d129b56255baf3d76eb2a6c2ff.png)
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