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1 . 以下式子中,计算正确的是 ( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-16更新
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407次组卷
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2卷引用:宁夏吴忠市秦宁中学2023-2024学年高一上学期月考(二)数学试题
2 . (1)计算:
;
(2)计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b981ff7b1cf6ba635dd977bef33e03.png)
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe92390094a3ab84c9eaf274bf05cbb2.png)
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3 . 计算化简
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88baa570dfdf1b18056c3c9816fe1d4.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88baa570dfdf1b18056c3c9816fe1d4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736b27a97832ad20b1204ea6396f03cb.png)
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4 . 化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0376db92f7b3667d8fc18f66fdf266b5.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0376db92f7b3667d8fc18f66fdf266b5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1e7ed2e71efd2d76f1dea986c1977c.png)
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5 . 计算下列各式的值.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bedf9f018b16df8f679ce26f7025ba0.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bedf9f018b16df8f679ce26f7025ba0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb024c1d50b682b9edc6f9a29851dc5.png)
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2021-12-16更新
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433次组卷
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2卷引用:宁夏吴忠中学2021-2022学年高一上学期期中考试数学试题
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6 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823deba0455be424af41fafe286a790f.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823deba0455be424af41fafe286a790f.png)
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7 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf847aa1af96ed1f0bff8287f34a93d.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf847aa1af96ed1f0bff8287f34a93d.png)
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2019-12-17更新
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625次组卷
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2卷引用:宁夏吴忠市青铜峡市高级中学2019-2020学年高一上学期期末数学试题
8 . 完成下列两个小题.
(1)求
值
(2)已知
且
,
,
,求
的值.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afbb4b33bafc6d2e0ece7c42830bb8c.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70dbbdeb4ed3d2215d9762ff4c6808e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534086acc7c07bc7c787e8f5e3ceb489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e96cb303dd10501cb879736e83b2f7.png)
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