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1 . 解答以下两个小题:
(1)求
的值;
(2)若
,求
的值.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6306f753fe8458efe5cf9887b64c4422.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c9f990fc696c4b27d02cb9e92fe9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c1f68a5bc3695f488c3c9249ac77ea.png)
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2 . 下列各式正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 求值:
-
+
=_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bd280c98d1868378e58f6b6689e16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b20e0891ec5b6b77a525fb8b5ad2cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36eee0200661edcd3dc8c9edc20e402.png)
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4 . 求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa9e63f9cb08df1ae2ef2ef8c586ccb.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8441441592ab28e0fba7a53ad1c13ae9.png)
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2024-03-06更新
|
199次组卷
|
2卷引用:北京市东城区中央工艺美术学院附属中学2023-2024学年高一上学期期中考试数学试卷
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5 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d599f6aba0aac86a9284fefd4c9365a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a4fe27b9efbd78e46ca5e44725042a.png)
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6 . 求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a91720f4f628dbe27d93c6d7564681e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe8e0db16af5321dd2b685460b48531.png)
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7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5baf265a52eb4c986b21c3de882e0dfb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a0370e40974988b66efe8fe43791f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5baf265a52eb4c986b21c3de882e0dfb.png)
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8 . 用分数指数幂表示并计算下列各式(式中字母均正数),写出化简步骤.
(1)
;
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ecffa4066f604e2cc1ed89e4ca70832.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b405ea8de95df494101e8a635a33a9e4.png)
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9 . 计算下列各式:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5524832c17e2c8cf9750894b48adfe.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bd3932eaa81656abaf8824b37705d9.png)
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10 . 化简求值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feef7f8c28ae8a2c9a67d7fea22944c2.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feef7f8c28ae8a2c9a67d7fea22944c2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce88b05d5f5b67125dd45a231bd856fb.png)
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