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1 . “
”是“
”成立的_________ 条件(从“充分不必要”,“必要不充分”,“充要”,“既不充分也不必要”中选填).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafe647840cc2ace0d94bdca3c4fb03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a719024e63b8563ca8ea05e025ee492.png)
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2020-11-19更新
|
443次组卷
|
2卷引用:江苏省盐城市响水中学2020-2021学年高二上学期期中数学试题
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2 . 已知
,
, 函数
的值恒为负,则
是
的______ 条件(充分必要,充分不必要,必要不充分,既不充分又不必要)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9766ed7a364de90ac991e062ee2261a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6fc004861e4a5780736acea3a9e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72863a4dc5e681a423221a87edcd2084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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3 . 已知条件
且
,
,则
是
的___________ 条件.(填:充分不必要、 必要不充分、 充要、既不充分又不必要)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f2c1441688dd6ff5efc0f53c633608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8138459c901da203d5a613736dd38150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c869bef7977612adb99febf21a808f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
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2020-11-18更新
|
243次组卷
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5卷引用:江苏省扬州市邗江中学2020-2021学年高二(2018届新疆班)上学期期中数学试题
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4 . 若
是
的必要非充分条件,
是
的充要条件,
是
的必要非充分条件,则
是
的___________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700458c01a7ad031e27d80ed43e9e882.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700458c01a7ad031e27d80ed43e9e882.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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5 . 在△ABC中,“
”是“
是等腰三角形”的________ 条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4354365ca0929f8a606ed0bf341e4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2020-11-14更新
|
534次组卷
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2卷引用:安徽省亳州市第二中学2020-2021学年高一上学期期中数学试题
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6 . "
"是"
"的_____________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f5f34dddf442a1f5b384b68677d2e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc335ee14fc0b1130900cb82bcb3061.png)
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2020-11-13更新
|
373次组卷
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4卷引用:上海市市西中学2020-2021学年高一上学期期中数学试题
上海市市西中学2020-2021学年高一上学期期中数学试题(已下线)第1章集合与逻辑精讲精练-2020-2021学年高一数学期末考试高分直通车(沪教版2020,必修一)2.2 充分条件、必要条件、充要条件-2021-2022学年高一数学教材同步精品学案(苏教版2019必修第一册)第2章 常用逻辑用语(章末测试基础卷)-2021-2022学年高一数学同步单元测试定心卷(苏教版2019必修第一册)
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7 . 已知p:a + b = 5,q:a = 2 且 b = 3,则q是p的_________ 条件(用“充要、充分不必要、必要不充分、既不充分又不必要”条件填空).
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2020-11-12更新
|
460次组卷
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2卷引用:湖南省邵阳市邵东县第一中学2020-2021学年高二上学期期中数学试题
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8 . 下列命题正确的是______________ (写出所有正确命题的序号).
①已知
,
,“
且
”是“
”的充要条件;
②已知平面向量
,
,“
且
”是“
”的必要不充分条件;
③已知
,
,“
”是“
”的充分不必要条件;
④命题
:“
,
”的否定为
:“
,
”.
①已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731bdc8d2686a05f12a2ba8a7e3b01be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea134f599285e3d32d2ab3e7186990.png)
②已知平面向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783d1fcb06e63044e0816f2badb89d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e97cd4d1d87f2c2de41a7049e5c09f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34e0f515670d8ec8d48bb1f7b85237b.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200b80b0f9dd6c732ebb22188eceac5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7230f9c6b265e229ff52630a8f0eece.png)
④命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c7a319f1fb9ef4cd6bd9eb5ab0c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f6b2ed57d169383066efdd7db336f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40436f73bce3cef5e280da29dd1fdec.png)
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名校
9 . 下列说法正确的是__ .
(1)对于命题
,使得
,则
,均有
;
(2)“
”是“
”的充分不必要条件;
(3)命题“若
,则
”的逆否命题为:“若
,则
”;
(4)若
为假命题,则
,
均为假命题.
(1)对于命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fbaf82fe2b22d44492a001a7a02466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1464643c24dbc008f158ca95bf845e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cd44731d509352f907c9773a42cab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092e1a7037ae242571c28ee71ac50b15.png)
(2)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
(3)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)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
2020-09-12更新
|
407次组卷
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5卷引用:河南省实验中学2020-2021学年高二上学期期中数学试题
10 . “
”是“
”的 ___________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572fcc68da0906f0ddd6b2bcad045193.png)
您最近一年使用:0次
2020-08-31更新
|
704次组卷
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5卷引用:湖南省怀化市2018-2019学年高三上学期期中文科数学试题
湖南省怀化市2018-2019学年高三上学期期中文科数学试题湖南省怀化市2018-2019学年高三下学期中小学课程改革教育质量监测数学(文)试题衔接点16 充分条件与必要条件-2020年【衔接教材·暑假作业】初高中衔接数学(新人教版)(已下线)第1章 集合与常用逻辑用语(一)-2020-2021学年高一数学必修第一册单元提优卷(人教A版(2019))西藏林芝市第二高级中学2022-2023学年高二下学期期末考试数学(文)试题