396÷80的竖式?

2025-03-07 10:32:45
推荐回答(1个)
回答1:

[最佳答案]18分之5减9分之2的差,除以2分之三用简便方法计算 (5/18-2/9)÷(3/2) =(5/18)×(2/3)-(2/9)×(2/3) =(5/27)-(4/27)...