1⼀3⼀1⼀2*3⼀4 1⼀5⼀3+1⼀3*4⼀5 3⼀5⼀(3⼀10+5⼀8)脱式计算

2024-12-02 05:43:00
推荐回答(1个)
回答1:

1/3/1/2*3/4
=1/3*2*3/4
=1/2
1/5/3+1/3*4/5
=1/15+4/15
=1/3
3/5/(3/10+5/8)
=3/5/(37/40)
=3/5*40/37
=24/37