计算:
(1)﹣20+(﹣14)﹣(﹣18)﹣13
(2)﹣14﹣
×[3﹣(﹣3)2]+3×(﹣2)
(1)﹣20+(﹣14)﹣(﹣18)﹣13
(2)﹣14﹣
![](https://img.xkw.com/dksih/QBM/2016/12/27/1633715925934080/1633715926188032/STEM/5bfbe7bf76df45268310f4228d398e59.png)
更新时间:2017-02-28 14:26:28
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【知识点】 含乘方的有理数混合运算解读
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