21-22高一·湖南·课后作业
1 . 从“充分而不必要条件”“必要而不充分条件”“充要条件”与“既不充分又不必要条件”中选出适当的一种填空:
(1)“
”是“
”的______ ;
(2)“
,
”是“
”的______ ;
(3)“两个角是对顶角”是“两个角相等”的______ ;
(4)设
,
,
都是实数,“
”是“
是方程
的一个根”的______ .
(1)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553e3415eb26d8c840fc2e00ef6b1706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(2)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9707dcd2a38e5cb5fe8222ccacb3e09.png)
(3)“两个角是对顶角”是“两个角相等”的
(4)设
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
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2022-02-23更新
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704次组卷
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4卷引用:1.4.2 充要条件练习
20-21高一·江苏·课后作业
2 . 若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70af315065f3673a8483085d7d21e760.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e598d2c9db9614abea19abd5f91110e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3c33a31f65e31e97bb8110c7dc100c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee278fd1f9b850c4c14d9d79863b78a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70af315065f3673a8483085d7d21e760.png)
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20-21高一·江苏·课后作业
3 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fc5fa1a129a71c3ea03dcc1e4b3f56.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fc5fa1a129a71c3ea03dcc1e4b3f56.png)
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20-21高一·江苏·课后作业
4 . 根据下列所给的各组p,q填空:
①p:
,q:
;
②p:两个三角形的两边及其夹角分别对应相等,q:两个三角形全等;
③p:
,q:
;
④p:二次函数
的图象过坐标原点,q:
;
⑤p:两条直线被第三条直线所截,同旁内角互补,q:这两条直线平行;
⑥p:两直角三角形的斜边相等,q:两直角三角形全等.
其中,p是q必要条件的有__________ ;p是q充分条件的有__________ ;p是q充要条件的有__________ .(填写序号)
①p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1f719e6467633f50ac7ad38a0ee119.png)
②p:两个三角形的两边及其夹角分别对应相等,q:两个三角形全等;
③p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5821f59d12217af9a3804379c8231f.png)
④p:二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b4bbc06ca03662f71ab6f23203b83a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
⑤p:两条直线被第三条直线所截,同旁内角互补,q:这两条直线平行;
⑥p:两直角三角形的斜边相等,q:两直角三角形全等.
其中,p是q必要条件的有
您最近一年使用:0次
20-21高一·江苏·课后作业
5 . 已知集合
,用列举法表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361dfd0d5fc021e7221ff89f174dba6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
您最近一年使用:0次
20-21高一·江苏·课后作业
6 . 某班45名学生中,有围棋爱好者22人,足球爱好者28人,同时爱好这两项的人最少有_________ 人,最多有_________ 人.
您最近一年使用:0次
20-21高一·江苏·课后作业
解题方法
7 . 若集合
,集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4fdc8d30775d94bd8407bffb3ff8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e32c6185c1a474cf8cf758ab7cf5f1af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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20-21高一·江苏·课后作业
8 . 有下列命题:①空集是任何集合的真子集;②设
,若
,则
;③
.其中,正确的有_________ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0ac8b620b5eca9daa7276712935ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22111b1f07e7873e5a156d1937eaac27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c95f416a77a6fe60dee2f9db18fecc9.png)
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20-21高一·江苏·课后作业
9 . 若用描述法表示所有负偶数构成的集合M,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
__________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
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20-21高一·江苏·课后作业
10 . 设
,
,则“
”的充要条件是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb20e291772c2614ad19f4cc919dfec.png)
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2021-10-30更新
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295次组卷
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3卷引用:苏教版(2019)必修第一册课本习题第2章本章测试