计算:
(1)
;
(2)
;
(3)
;
(4)—99
×30(用简便方法计算);
(1)
![](https://img.xkw.com/dksih/QBM/2013/2/18/1573600941105152/1573600984342528/STEM/7fcb569a32c24ac1ba0a4a7a043f732e.png)
(2)
![](https://img.xkw.com/dksih/QBM/2013/2/18/1573600941105152/1573600984342528/STEM/36a40e20e8084a11a0b4b65f2c908f0f.png)
(3)
![](https://img.xkw.com/dksih/QBM/2013/2/18/1573600941105152/1573600984342528/STEM/9658ebf871d74c58bc56248e5c863f83.png)
(4)—99
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3911dc335840b8d4b729a5678fd680.png)
11-12七年级·浙江温州·阶段练习 查看更多[2]
更新时间:2016-12-05 16:02:18
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【知识点】 含乘方的有理数混合运算解读