Question

1.38÷0.25×40的简便方法怎么计算

Answer 1

1.38÷0.25×40简便计算；
1.38÷0.25×40
=1.38*10
=13.8

Answer 2

解:运用乘法交换律和结合律先将40除以0.25再同1.38相乘。计算过程
1.38÷0.25ⅹ40
=1.38x(40÷0.25)
=1.38ⅹ160
=220.8。