(6.5÷0.13-4.5)Ⅹ2.4怎么简便运算?

2025-02-27 14:14:22
推荐回答(1个)
回答1:

原式
=(50-4.5)×2.4
=50×2.4-4.5×2.4
=120-10.8
=109.2