计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf6e67dc5db03a2ff24ee2229a22ae2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15025aa399d9fd0f1266acceae773081.png)
更新时间:2022-06-12 20:12:55
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相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】观察下列一组式的变形过程,然后回答问题:
例1:
.
例2:
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9fe72d3a9110de44f9f60f3f3d81da.png)
利用以上结论解答以下问题:
(1)
__________;
(2)应用上面的结论,求下列式子的值,
.
例1:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/455483097fdea0f48d2e9abeb752d1a8.png)
例2:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca84e2db65efe3647aba894f55071678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b76a425906a6acab27fbd1b3a06173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9fe72d3a9110de44f9f60f3f3d81da.png)
利用以上结论解答以下问题:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8eeda72ad32a46ee0b5b5582e7fee5f.png)
(2)应用上面的结论,求下列式子的值,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92613cf0c8c6b1d1e74a7598a0ae27ee.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】按要求完成下列各题.
(1)已知实数m,n满足关系
,求
;
(2)如果
=
,求A,B,C的值.
(1)已知实数m,n满足关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0554b1ac2b462800fd16ea519ee1df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5c180026c1a8b1a355e91b305d3f03.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a900aa25a80c615f5570e42be24d0723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8a83b22ee8602427c4ad288f89c2c7.png)
您最近一年使用:0次