5⼀12+(5⼀6-1⼀12)÷9⼀16

2025-06-23 04:35:41
推荐回答(1个)
回答1:

5/12+(5/6-1/12)÷9/16
=5/12+9/12×16/9
=5/12+16/12
=21/12
=7/4