99999X77778+33333X66666怎么简便计算?

2024-11-05 04:37:20
推荐回答(2个)
回答1:

解: 99999??778+33333??666原式=99999??778+33333???222 =99999??778+99999??222 =99999???778+22222) =99999??0000 =9999900000

回答2:

99999x77778+33333x66666
=99999X77778+99999X22222
=99999x(77778+22222)
=99999X100000
=9999900000