计算与解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f87e583aeb8a2d4c940b1bbb4f2676.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48c38ca1df2058abf2bd0c8f52af710.png)
更新时间:2024-05-06 15:17:38
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解答题-计算题
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适中
(0.65)
【推荐1】(1)已知
,
,求下列各式的值:①
;②
.
(2)若
,请直接写出:
______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca33b3a2d2eff5833c37f669e419b6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b091e3beeb85a06ba30379ee4329bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f0b84ee4ed90face0993d4f4dda379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d084edf0be92baaf933b410eb6b5bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f144220d626294dcf62d55550073a920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea346bc514c15d88c4b1b0928077a91.png)
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