3⼀4-9⼀10除以(3⼀4+1⼀2)简便运算有吗

2024-11-23 23:12:02
推荐回答(1个)
回答1:

没有
3/4-9/10除以(3/4+1/2)
=3/4-9/10÷5/4
=3/4-9/10×4/5
=3/4-18/25
=75/100-72/100
=3/100