4.6X1.5+13.8*3怎么算简单

2026-05-20 00:40:30
推荐回答(1个)
回答1:

4.6X1.5+13.8*3
=4.6*0.5*3+13.8*3
=2.3*3+13.8*3
=(2.3+13.8)*3
=16.1*3
=48.3