333ᘧ࿾555 ᘧ࿾3 怎么简算与巧算?

2025-03-10 16:37:54
推荐回答(1个)
回答1:

333×555×3
=999×555
=(1000-1)×555
=1000×555-1×555
=555000-555
=554445