31.4乘以4.5+0.628乘以260+9.42有简便运算吗
4.5乘以3.6加上5.2乘以0.35的简便运算
简便运算48乘以5乘以125
简便运算1.2乘以2.5乘以64,4.5乘以3.6+6.4 .7.54-(3.2-2.46)
125乘以5乘以128乘以25怎么简便运算
360除以15减去2.5乘以1.6+有简便运算吗
(8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算?
简便运算的就要简便方法计算 486-23乘以16 2.5乘以3.2乘以1.25 3.5乘以2.6减4.5 7减5分之4除
8.7乘以9.9在乘以8.7简便运算
99乘以22加33乘以34怎么简便运算
3.6乘以0.56加上0.64乘以5.6的简便运算
5656乘以36减去3636乘以56怎样简便运算
0.125乘以3.2乘以0.5的简便运算