999×778+333×666怎么简便计算?

2025-03-06 21:57:20
推荐回答(3个)
回答1:

999000

回答2:

=999×778+333×3×222
=999×778+999×222
=999×(778+222)
=999×1000
=999000

回答3:

999×778+333×666
=999x778+333x3x222
=999x(778+222)
=999x1000
=999000