八分之七减小括号十五分之八加上三分之一等于几?

2025-04-08 20:45:58
推荐回答(1个)
回答1:

7/8-(8/15+1/3)
=7/8-(8/15+5/15)
=7/8-13/15
=105/120-104/120
=1/120