2.5乘以0.6减去1.8乘以0.5用简便方法怎么做
2.5乘以0.6减去1.8乘以0.5用简便方法怎么做
45乘以[3乘以37]用简便方法怎么做
7.6乘以5.6减去46乘以0.76的简便方法怎么做
16.7乘以101减去16.7怎么用简便方法计算
6/11乘以7/8减去5/12乘以6/11 用简便方法怎么算
7.6乘以7.3加上1.9乘以4乘以7.3用简便方法计算怎么做?
请问47.1乘以9.4减去47.1除以2分之5加上47.1用简便方法该怎么做?
4分之1乘以(4.85除18分之5减去3.6加6.15乘以5分之18)用简便方法怎么做?
0.78加7.8乘以9.9用简便方法怎么做
103乘以99用简便方法怎么做
7.45乘以0.99用简便方法计算怎么做
这题用简便方法怎么做32.2乘以0.4加178乘以0.044.83乘以7.5加75乘以0.51要有步骤用简便方法