3×3.14×4+2.25x3.14×2怎么算?

2025-03-26 13:21:38
推荐回答(1个)
回答1:

3×3.14×4+2.25x3.14×2
=24x3.14+4.5x3.14
=(24+4.5)x3.14
=28.5x3.14
=89.49