解题方法
1 . 解下列关于x的不等式:
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d51573a64aa36b994f8dbea04f9183.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad75decc8199f2782281d19568eede5.png)
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名校
解题方法
2 . 已知函数
(其中
).
(1)当
时,解关于x的不等式
;
(2)若
的解集为
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4e6872e6f127af54be5e89cb922cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2402680c3eee8c0f89b8cbf151aafeed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
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2022-09-14更新
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1371次组卷
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5卷引用:四川省绵阳中学2022-2023学年高二上学期入学考试数学(文)试题
名校
3 . (1)解关于
的不等式
(2)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40bf02e5095655dd9fa8d331ce5e274b.png)
(2)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12120a605993901f6c494cb011cae076.png)
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2022-09-12更新
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4卷引用:四川省眉山市仁寿县第一中学2022-2023学年高一上学期开学考试数学试题
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解题方法
4 . 已知集合
.
(1)若
,求
;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f818bbfe5a02446d32a821b47d02925e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2022-09-09更新
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4卷引用:江苏省扬州市高邮中学2022-2023学年高三上学期开学调研测试数学试题
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5 . 已知全集
,集合
,
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279bc4cd48de1881f999a9047bb90a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9684f507033306b55af2aee5b00adb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdc3813d4d62c45facde3defb99c0ad.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0899a23c018a1f574b02688c23529d2f.png)
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2022-08-30更新
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2卷引用:重庆市开州区临江中学2023届高三上学期入学考试数学试题
名校
解题方法
6 . 设全集
,集合
,集合
,其中
.
(1)当
时,求
;
(2)若“
”是“
”的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59c05cce2336b520c663cccfffc54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e2f170d8302023a4378f27f62c97a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defefacb4846e0b619d1c69f73fcd908.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-08-26更新
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8卷引用:重庆市开州区临江中学2023届高三上学期入学考试数学试题
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解题方法
7 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)已知
,若
的图象与x轴围成的三角形面积大于
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c3921fd67965d26f677785ff60352e2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
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2022-08-22更新
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6卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题
贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(文)试题江西省临川第一中学2023届高三上学期第一次月考数学(文)试题江西省临川第一中学2023届高三上学期第一次月考数学(理)试题(已下线)2023年高考全国甲卷数学(文)真题变式题21-23(已下线)2023年高考全国甲卷数学(理)真题变式题21-23
名校
解题方法
8 . 解下列不等式.
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4790b0abc1a0cc87fdb599f3cf458ed.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10758ef21768fcc284a113a629d003de.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e521272abd783544d0395e3401207e20.png)
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2022-08-16更新
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4卷引用:辽宁省沈阳市同泽高级中学2022-2023学年高一上学期期初数学试题
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解题方法
9 . 已知
,设
.
(1)若“
”是“
”的充分不必要条件,求实数a的取值范围;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34308cf92d20690e6b2745d28ea5ff5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5460bc83645bed32cdb519ec4f7458.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dccb0f3cdcca85ed41ca903d5b9d0d.png)
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2022-07-29更新
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3卷引用:江苏省扬州市宝应县2022-2023学年高三上学期期初检测数学试题
名校
解题方法
10 . 已知不等式
的解集为
,不等式
的解集为
.
(1)若
,不等式
的解集为
,求不等式
的解集;
(2)
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7070ee56a95a933c791e953124f01ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0821603fa37f5c2ce186d94c513700ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f654631c830e6ecf29d4683c7d7aac3d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7070ee56a95a933c791e953124f01ddc.png)
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2022-07-11更新
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