9除以0.75加9除以0.75简便方法怎么算

2024-12-12 11:42:04
推荐回答(1个)
回答1:

9÷0.75+9÷0.75
=2(9÷0.75)
=2×18÷1.5
=2×(15+3)÷1.5
=2×(15÷1.5+3÷1.5)
=2×(10+2)
=24