1 . 求下列各式中
的值.
(1)
.
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2053e1f50472a9fed67d4c84d9cb938.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3387d5b19268248935f4c4f3b818e3f4.png)
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2 . 解方程或方程组
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd82b778228105a66b8e4768d726f3fc.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef7dc3439c679e23cf0b4a43ca2ce2f.png)
您最近一年使用:0次
名校
3 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f831202cd7f433d57da7d4c519472b9d.png)
(2)
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f831202cd7f433d57da7d4c519472b9d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8cb9e5b695564797c7fdaa58f7e9a8.png)
您最近一年使用:0次
4 . 求下列各式中的x:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5f512aa07f7ad0265b2109fbc59502.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e6919b3435a6d4b3f927d3c0798c9d.png)
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5 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb26e286a0a3a29a71323b68dc3dd8d.png)
(2)求等式中x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb26e286a0a3a29a71323b68dc3dd8d.png)
(2)求等式中x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7a7c60c32d58094dfdb2f3154d29da.png)
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6 . 计算:
(1)
;
(2)解方程:
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c531f89255f302ddd747108d6b603e.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fdaeccba81464ea723d7d507f4611b.png)
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7 . 计算、解方程(组):
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74bf7aed4a4b0d06c6fbd7e7f7e9531.png)
(2)
.
(3)
;
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74bf7aed4a4b0d06c6fbd7e7f7e9531.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3c0869a081f21074dfd00d6ea0b935.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a7380775e88023149d8fc2ecfa67a4.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c38f8ff3afcbc67831199d33172597.png)
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8 . 计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a8f10eecdcb2e199b6ff0963dbd2ca.png)
(2)解方程:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a8f10eecdcb2e199b6ff0963dbd2ca.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7462f5239902a49c24fbfc7efc8f7ea5.png)
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9 . 已知
,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906e146d25639de1957758dbde0bd989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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10 . 求下列式中的x值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d1622385b70fb6f38eb48732b0259c.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d1622385b70fb6f38eb48732b0259c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a42f20a0663ebd41f2c6118c4a9debf.png)
您最近一年使用:0次