7.2⼀0.18+20.8*3.6的简便运算?

2024-12-05 13:26:45
推荐回答(1个)
回答1:

7.2÷0.18+20.8×3.6
=40+20.8×0.9×4
=10×4+18.72×4
=28.72×4
=114.92