3分之2乘4分之1除扣号4分之3减3分之1扣号要简算?

2024-11-15 21:23:01
推荐回答(1个)
回答1:

2/3×1/4÷(3/4-1/3)
=2/3×1/4÷(9/12-4/12)
=2/3×1/4×12/5
=2/5