计算
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd26ac9e6d88c6f392da722753388bb.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb878282e384ad377f5d1acd53f929b.png)
更新时间:2020-12-26 19:03:44
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【知识点】 含乘方的有理数混合运算解读
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适中
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【推荐2】如图,A、B、C、D四张卡片分别代表一种运算,例如,5经过
顺序的运算,可列式为:
,8经过运算顺序
运算,可列式为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8b530aae81c84964c6344de10e48a3.png)
(1)请计算
;
(2)列式计算
经过
顺序的运算结果;
(3)若数x经过
顺序的运算,结果是12.则求初始数字x是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4853b4705dee3de86e18a346ee3ae853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dabd4399c15782d4383b6e1ebdfe678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a270f93bce2f40f9517e449495d26c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8b530aae81c84964c6344de10e48a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/17/6b3cf041-33bb-493f-98c4-eca631c743df.jpg?resizew=271)
(1)请计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dabd4399c15782d4383b6e1ebdfe678.png)
(2)列式计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7802883178112002845956eeefcd6712.png)
(3)若数x经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28770a3cf80d7886d6845fc9f4bc7db.png)
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