2.6×0.5+7.4÷2简便计算

2.6×0.5+7.4÷2简便计算
2024-12-21 11:17:56
推荐回答(3个)
回答1:

2.6×0.5+7.4÷2
=(2.6+7.4)÷2
=10÷2
=5

回答2:

就这样

回答3:

2.6×0.5+7.4÷2
=2.6×0.5+7.4*0.5
=(2.6+7.4)*0.5
=10*0.5
=5