18.54x14.5一14.5x8.54怎么用简约法算

18.54x14.5一14.5x8.54怎么用简约法算
2024-12-05 05:05:58
推荐回答(1个)
回答1:

=14.5*(18.54-8.54)
=14.5*10
=145