计算:
=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa7a5754dd460c1cf4ab664c8032c.png)
更新时间:2022-09-07 15:55:33
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较易
(0.85)
【推荐1】计算(﹣
)2021×0.752020=_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
您最近一年使用:0次
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(0.85)
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【推荐2】计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee63b0b869673ff8cffdbd023ebbdc1.png)
_______ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fc6934f56607f23eea2c087bfcd089.png)
_______ ;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d77e897efd241c422609ca914c3415a.png)
________ ;
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db437796a0b740d3b8454c737898cbed.png)
________ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee63b0b869673ff8cffdbd023ebbdc1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fc6934f56607f23eea2c087bfcd089.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d77e897efd241c422609ca914c3415a.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db437796a0b740d3b8454c737898cbed.png)
您最近一年使用:0次