1 . 求方程组
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9eb4efed4fd68d9e58257f6d963b465.png)
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2 . 求下列方程组的解集:
(1)
;(2)
;(3)
;(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d010ddeaa13b2a2f432d2c5ce11b3597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9842b0a277d6f31f82b44420a3b0c6dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901e532671c7a5ec8847e2e4c0008ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f230f2b2bd7ef1e8b3596f9eb46e14.png)
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3 . 求下列方程组的解集:
(1)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aab4499732b656ef18393589d2f886d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f036c9bb1b1825e3f2c8bbe343a419fb.png)
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4 . 求下列方程组的解集:
(1)
;(2)
;(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b707b48806d76030d06dcb34d41a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30390e65aee034d3dbdf319e078e026a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df799a82a1224c2a429d297f1d6666d8.png)
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5 . 求方程组
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6897633df5d0c02a20c49b07ac8e19.png)
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6 . 在解方程组
时,甲同学因看错了
的符号,从而求得解集为
,乙同学因看错了
的值,从而求得解集为
,试求
、
、
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2474bdb077bfd5964472b70dfd48de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7403e3b8711e1c53efc2086f7058b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b78cc6ec6be3f2f682614c8185edfac.png)
![](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)
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7 . 已知关于
、
的方程组
与
的解集相同.
(1)求这个相同的解集;
(2)求
、
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/506bf8f1979cf1cf377f69919d70bea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9536344df2d8b15952945ff3a8501a.png)
(1)求这个相同的解集;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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8 . 求下列方程组的解集:
(1)
;(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc81588246b4930d5093b9ec525b616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14a350f98ef15dbdba824da0ed25902.png)
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9 . 求下列方程组的解集:
(1)
;(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c41fa5d5e724f492864c0f65dc0911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e27c36ec40f018ca2fc56cd1b19029.png)
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10 . 求方程组
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925b393cb2656e07440a718241ee754.png)
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