括号四分之三减五分之三反括号除以十分之三解算

2025-03-26 03:20:35
推荐回答(1个)
回答1:

=(3/4-3/5)÷3/10
=(3/4-3/5)*10/3
=3/4*10/3-3/5*10/3
=5/2-2
=1/2