1 . 用递等式计算,能简便计算的要用简便方法计算.
(1)101×93
(2)137×
-137× ![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/45303be393e342eb9784d525b45449c8.png?resizew=29)
(3)37.2×48+372×5.1+37.2
(4)(7
+5
)÷(
+
)
(1)101×93
(2)137×
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/0c08eb6ab9f8431caf85c8706cecbb2d.png?resizew=29)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/45303be393e342eb9784d525b45449c8.png?resizew=29)
(3)37.2×48+372×5.1+37.2
(4)(7
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/f71db17abb854382bbabe7232331ed93.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/9edcddaee2e34960a0409e1597ef087e.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/291f208986454932b34ea89cf9fc71f5.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2019/5/18/2206510705532928/2211284192845824/STEM/46ef2f55bd854854bdcbe51d7c8d09e8.png?resizew=13)
您最近一年使用:0次
2 . 计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38205a6a055bf9ca01953a5e0940f3f8.png)
您最近一年使用:0次
3 . 计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b8d4b136139b3b703e1b6df13e49c2.png)
您最近一年使用:0次
4 . 脱式计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26fe7660f5d36cd21ee1c5629f648c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d128520571d585f4b4693c98bb177936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71f0de375a75fc92b491fea80899171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26fe7660f5d36cd21ee1c5629f648c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d128520571d585f4b4693c98bb177936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5276ce70fd565de1a1e730bd51b56bde.png)
您最近一年使用:0次