1 . 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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2 . 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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3 . 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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4 . 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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5 . 对于任意两个非零实数a、b,定义运算
如下:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5fa1c1cb2b21b21e81ef27e1843473.png)
如:
,
.
根据上述定义,解决下列问题:
(1)
______,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a311d117e4f2e8fd949c976675cde1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
______;
(2)若
,求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5fa1c1cb2b21b21e81ef27e1843473.png)
如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d805a0d56ed9c1ecf9f90455cef02cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa256018d348b21d90d346feee5c8ce2.png)
根据上述定义,解决下列问题:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63eb1ed3feecb5d86a689e0f2fa861bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a311d117e4f2e8fd949c976675cde1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e16415b61722f9961e412386e6819f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0582fb2c997bee903a9e8cc5dca2d65a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41858ffbff016458f8f8785d899b3f2.png)
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6 . (1)计算:
(2)求x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/964d8e834f9d7a77bddc3700e5031a80.png)
(2)求x的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31c58d7f1bbcae5e53d966dab70cf1c.png)
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7 . 求下列各式中实数x的值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b079dc930d7d64208a4f494e675ab8.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b079dc930d7d64208a4f494e675ab8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1197b4893277c5e9d9ed8b7e35a9c864.png)
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8 . (1)解方程:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52c9008857dd40ba70d4315e4772cbd.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52c9008857dd40ba70d4315e4772cbd.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94afa2c10b6383b4821c675aefd4111d.png)
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9 . (1)计算:
.
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59b4a1c12f845da42455c9248bf5ae6.png)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84fc2bd4803c2558418f4fc10498761f.png)
您最近一年使用:0次