Question

4.85除以十八分之五减三点六加6.15乘三又五分之三用简便方法计算

Answer 1

原式=4.85x18/5-3.6+6.15x18/5
=4.85x3.6-3.6x1+6.15x3.6
=(4.85-1+6.15)x3.6
=10x3.6
=36

Answer 2

简便方法计算如下：
原式=4.85x18/5-3.6+6.15x18/5
=4.85x3.6-3.6x1+6.15x3.6
=(4.85-1+6.15)x3.6
=10x3.6
=36