已知
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cbb247c6ed56338bb6750b9e23bf56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78866ea635f38545bca721b65af19884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7edd7449ac1c7a8fef77bbada8faaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
更新时间:2024-01-19 11:52:31
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【推荐1】如下表,从左向右依次在每个小格子中都填入一个有理数,使得其中任意四个相邻小格子中所填数之和都等于15.已知第3个数为7,第5个数为
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【推荐1】计算:
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(2)﹣12﹣(﹣10)=
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【推荐2】如图是一个正方体的表面展开图,若正方体中相对的面上的数互为相反数,则
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