78乘3加78乘3加6乘22用简便计算

78乘3加78乘3加6乘22用简便计算
2025-01-18 20:28:36
推荐回答(2个)
回答1:


如图

回答2:

78×3+78×3+6×22
=78×3×2+6×22
=78×6+22×6
=6×(78+22)
=6×100
=600