计算下面各题,能用简便算法的要用简便算法。
(1)
×
÷
(2)8.6-
÷
×
(3)
÷
+
×
(4)20÷[(
+
)×
]
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482b71ca0f34940dc775e6666e010c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0b07e83788d3bb55ef09d3e7b31245.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc3147e512bd73b07360d30412d00ee.png)
(2)8.6-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16d09692f7b0fb5633964437202d21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16d09692f7b0fb5633964437202d21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31da7291140e430a11e2a10cc6cdefbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc0f4e88a98b2b25320e4bed691342b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d86ab7c97cd8a0b15ba5efc1be94230.png)
(4)20÷[(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c6c7567972273b4ba733b47bf9d5408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d7cd1e2eb18a9f9a4b513a9ae2ab55.png)
更新时间:2019-12-16 18:20:21
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