1 . 满足
的集合B的个数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e29b5c15631bd03e82bfbb064398ff.png)
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2 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c196c9029da136efced7b337d865a2.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8185d0a85d252bd6643b6f929cb413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db457a0708f85e428d3440506eaf59d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8c196c9029da136efced7b337d865a2.png)
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3 . 不等式组
的解集为A,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0d2a6750330ebe1cf1b3a65825d0e6.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c92fd5092b36998d42b525ca2f12a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0d2a6750330ebe1cf1b3a65825d0e6.png)
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4 . 被9除余2的所有整数组成的集合可表示为______ .
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5 . 填空:
(1)“一元二次方程
有实数根”的充要条件是______ ;
(2)“一元二次方程
有一个正实数根和一个负实数根”的一个充分条件但不是必要条件的是______ ;
(3)“一元二次方程
有两个不相等的正实数根”的充要条件是______ .
(1)“一元二次方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831c3990eff0d957ad589b6b07436d4b.png)
(2)“一元二次方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6caf5d9bff14784364cd2e327325e26.png)
(3)“一元二次方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831c3990eff0d957ad589b6b07436d4b.png)
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6 . 请在“充分条件”“必要条件”“充要条件”“既不是充分条件也不是必要条件”中选择一个最恰当的,填空:
(1)当时,“
”是“
”的
(2)“a是偶数,b是偶数”是“ab是偶数”的
(3)“”是“
”的
(4)“”是“
,且
”的
(5)“整数n能被3整除”是“整数n能被6整除”的
(6)“”是“
”的
(7)“”是“
”的
(8)“”是“
”的
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7 . 用“充分条件”“必要条件”或“充要条件”填空:
(1)“
”是“
”的______ ;
(2)“
”是“
”的______ ;
(3)“
”是“
”的______ ;
(4)“
”是“
”的______ .
(1)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b54fdc920fd0a627959bbc5bd292d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f08f548d6b0614f2ad7b0c1047933.png)
(2)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fdf7d28b97fb6fe731703f80e122ed.png)
(3)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752455799e49f846e2601304fec5d3b8.png)
(4)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c007519bc7aa785f6ec5ba95d15caf26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c328c9c4ec69c4275e27576fb61655.png)
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2023-10-07更新
|
76次组卷
|
3卷引用:北师大版(2019)必修第一册课本习题第一章2.1 必要条件与充分条件
8 . 用符号“
”或“
”填空:
(1)设A为所有亚洲国家组成的集合,则中国______ A,美国______ A,印度______ A,英国______ A;
(2)0______
,0______
,-1______
,-1______
,3.14______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
______
;
(3)0______
,1______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e581739cffb5676d997a58ab10d58880.png)
(1)设A为所有亚洲国家组成的集合,则中国
(2)0
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad135b14c9dcd83eab6618d7694c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/816a059c6e2211380b14f6391b3f2fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad135b14c9dcd83eab6618d7694c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad135b14c9dcd83eab6618d7694c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0ecd416d6dc3d886b7bf73fc285dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(3)0
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1142225762d523cb276d5e85876cfeb0.png)
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2023-10-07更新
|
175次组卷
|
3卷引用:北师大版(2019)必修第一册课本习题第一章1.1 集合的概念与表示
9 . 选择适当的符号(“
”“
”“”“”“
”“
”“
”)填空:
(1)0______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
______
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff7e39b335e3b5250b7f727e16a4a03.png)
______
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3453bb7d6b4dda65e6e654f2ae0788.png)
______
;
(2)设A是全体正方形组成的集合,B是全体矩形组成的集合,C是全体平行四边形组成的集合,则A______ B,B______ C;
(3)若集合
,
,则A______ C.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e581739cffb5676d997a58ab10d58880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980d8446f130dfc405c196109e73ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02aa4d15acfc6884e0c41a56450fcaf9.png)
(1)0
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3cd55e671f62712cc970c2b9bf475c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff7e39b335e3b5250b7f727e16a4a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d95943237b41092c2e3cfcb941ba68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3453bb7d6b4dda65e6e654f2ae0788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa6573758b10abd1d69860267e1580a3.png)
(2)设A是全体正方形组成的集合,B是全体矩形组成的集合,C是全体平行四边形组成的集合,则A
(3)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c6f6ba2d21a9226ad7adca563f37c5.png)
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2023-10-07更新
|
64次组卷
|
3卷引用:北师大版(2019)必修第一册课本习题第一章1.2 集合的基本关系
10 . 使用“
”“
”和数集符号来替代下列自然语言:
(1)“255是正整数”即( ) ;
(2)“
不是有理数”即( ) ;
(3)“3.1416是正有理数”即( ) ;
(4)“
是整数”即( ) ;
(5)“
是负实数”即( ) .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e581739cffb5676d997a58ab10d58880.png)
(1)“255是正整数”即
(2)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(3)“3.1416是正有理数”即
(4)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
(5)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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