能简算简算 2018÷2018又2018⼀2019+1⼀2020

2024-12-13 19:53:22
推荐回答(1个)
回答1:

2018÷2018又2018/2019+1/2020
=2018÷【2018x(1+1/2019)】+1/2020
=2018÷2018÷2020/2019+1/2020
=2019/2020+1/2020
=1