用简便方法计算下面各题.(2-0.92)÷(0.12+0.15)(2.4+7.2)÷0.24

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/26 03:57:30

用简便方法计算下面各题.(2-0.92)÷(0.12+0.15)(2.4+7.2)÷0.24
用简便方法计算下面各题.
(2-0.92)÷(0.12+0.15)
(2.4+7.2)÷0.24

用简便方法计算下面各题.(2-0.92)÷(0.12+0.15)(2.4+7.2)÷0.24
(2-0.92)÷(0.12+0.15)
=1.08÷0.27
=1.08÷0.09÷3
=21÷3
=7
(2.4+7.2)÷0.24
=2.4÷0.24+7.2÷0.24
=10+30
=40