(1)计算下列各式的值:
①
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbc9a84f16a94b0ca5db78cba26b356.png)
③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7dd29c8475aad8b23a04eefb65f48b.png)
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1761e8ed248f09c74226e5ad9382cea3.png)
(2)求下列各式中
的值:
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e030d977917125e5825830903fdefc.png)
②
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28cd93f24b0b21aa0b94aebf6831e5b.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbc9a84f16a94b0ca5db78cba26b356.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7dd29c8475aad8b23a04eefb65f48b.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1761e8ed248f09c74226e5ad9382cea3.png)
(2)求下列各式中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e030d977917125e5825830903fdefc.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2304a0af97496f07c2361b3fa8272535.png)
更新时间:2022-04-10 16:38:32
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