计算:
(1)(﹣1)2017﹣
﹣
|
|
(2)
+
+
(1)(﹣1)2017﹣
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a196420e2005a4357d5defe64ef95a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2855900d2505dd9e04e707597ca9b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5246364ca8d76ddd707a001fe98cbb5f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1625d21fa2fb85cf8c02d8e99f175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4edf281a65176b21e999f9b620ffa3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
21-22七年级下·重庆江津·期中 查看更多[3]
重庆市江津区江津第五中学校2021-2022学年七年级下学期期中数学试题(已下线)第15课 实数的运算-【帮课堂】2022-2023学年七年级数学上册同步精品讲义(浙教版)华东师大版九年级上册第21章二次根式单元测试数学试题
更新时间:2022-10-02 12:54:55
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解答题-问答题
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较易
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【推荐1】探究:
,
________,
________,
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完成上述计算并根据计算结果回答下面问题:
(1)观察可知,
________;
(2)利用你总结的规律计算:
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(3)已知a,b,c为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2271219d7daccbb038787782e6477ea2.png)
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完成上述计算并根据计算结果回答下面问题:
(1)观察可知,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a8d5d9aefdf3d9b3e0e17f79c22591.png)
(2)利用你总结的规律计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a44507386dd0393807ac5f3bf99ae6.png)
(3)已知a,b,c为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfff584456021354aa79af3bfe356b7d.png)
您最近一年使用:0次
解答题-计算题
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较易
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【推荐2】已知,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340c523bf5b4b05223d35f005a830fc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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