(7.2-4.5)÷9简便计算

(7.2-4.5)÷9简便计算
2024-11-02 14:18:38
推荐回答(5个)
回答1:


回答2:


练习

回答3:

(7.2-4.5)÷9=2.7/9=0.3

回答4:

(7.2-4.5)÷9
=7.2÷9-4.5÷9
=0.8-0.5
=0.3

回答5:

(7.2-4.5)÷9
=7.2÷9-4.5÷9
=0.8-0.5
=0.3