计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac73bc072183faa7eb9278d6ce85231.png)
更新时间:2024-02-27 16:14:23
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解答题-计算题
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【推荐1】计算:
(1)
;
(2)
;
(3)
;
(4)
(用公式计算).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4650764626d64827f0b37bb982f407c1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fab5541f9386d39385176b5c4878b28.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff422b8835825d95391e1cee1b54b9d9.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5e50e8dfd6bde8d50dfdc87656f07f.png)
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