68.4/7.2=684/72=9.5
58.12
68.4÷0.36=(68.4*25)÷(0.36*25)=1710÷9=(1710÷3)÷(9÷3)=570÷3=190
12.4 * 7.2 = 89.28
1.72*7.2的过程怎么算竖式计算解答算式如下:1.72*7.2=12.384
0.9)6 8.4
0.061*7.2=0.4392
=5.5x13.6-3.6x5.5=5.5x(13.6-3.6)=55 再看看别人怎么说的.
列竖式计算:68.4÷485≈0.141,如图.