求巧算过程 99999x77778+33333x66666 =?

2024-12-05 15:31:43
推荐回答(2个)
回答1:

 腔稿早伍雀敬盯

回答2:

99999×77778+33333×3×66666÷3
=99999×77778+99999×22222
=99999×(丛弊77778+22222)渗和族棚仿
=99999×100000
=9999900000