0.42×1.5+14.4×0.15+1.5

2024-11-28 09:10:54
推荐回答(2个)
回答1:

0.42×1.5+14.4×0.15+1.5
= 0.42×1.5+1.44×1.5+1x1.5
=(0.42+1.44+1)x1.5
=2.86x1.5
=4.29

回答2:

4.29