3.4÷[(3.3-1.6)×0.25]用简便运算怎么算?

题目

3.4÷[(3.3-1.6)×0.25]用简便运算怎么算?
用简便计算!1

答案

3.4÷[(3.3-1.6)×0.25]
=3.4÷(3.3-1.6)÷0.25
=3.4÷1.7÷0.25
=2÷0.25
=2×4÷(0.25×4)
=8÷1
=8