7⼀25除以括号,4⼀3÷5⼀7跨完等于多少?

2025-02-24 20:53:55
推荐回答(1个)
回答1:

7/25÷(4/3÷5/7)
=7/25÷4/3*5/7
=7/25*5/7÷4/3
=1/5÷4/3
=1/5*3/4
=3/20