333ᠧ666怎么简便计算?

2025-03-21 04:11:12
推荐回答(1个)
回答1:

原式
=333×666÷3×3
=(333×3)×(666÷3)
=999×222
=(1000-1)×222
=1000×222-222
=222000-222
=221778