怎样简便怎样算。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05be480cc87ea8bf675d4bed471ab465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297a414c039fc6418e34fd38628caaab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930266d0dee941ce2399ffb10b7e6d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05be480cc87ea8bf675d4bed471ab465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd090a3a945914d51ef346a4eb274fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a6c8aac1477b369b20aa90848d8be28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0978d76c7ac316beff8030f17110d06.png)
更新时间:2021-04-18 22:38:50
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【推荐1】用递等式计算下列各题。(请写出主要过程)
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