1 . 求下列不等式的解集:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa3f9864bb027c49c7dfb99dbaa763c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bb17288252624eca7a636d5f6b5511.png)
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2 . 解下列各题:
(1)因式分解:
;
(2)化简:
;
(3)解不等式:
.
(1)因式分解:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67937744c84defc44075d1b4486c3947.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2d0d80ed900dfc56b4a5f87bf7cb72.png)
(3)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db7dc6d6d563e64470ad7c0196b75a3.png)
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3 . 解不等式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83830df482c538581aef0c823271a03a.png)
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4 .
(1)求不等式的解集:
< 1
(2)求值:
.
(1)求不等式的解集:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e811706bf8ffae26429d2cdb0f05aa46.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed57a52fb7c78916ea58d58267906242.png)
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5 . 求解下列不等式:
(1)解不等式
;
(2)化简
.
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763dd80023645847c742075222856510.png)
(2)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa04400850437e3102e8edd8a6fd7e6.png)
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6 . (1)解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c157927eb9def3cd0624703b350d2a9d.png)
(2)解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65aa52db0d41209d833a64092982c94.png)
(3)化简:
(其中
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c157927eb9def3cd0624703b350d2a9d.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65aa52db0d41209d833a64092982c94.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24b4b5852ce926a0dd89fa22bcdac14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
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