99,999×77,778+33,333×66,666用简便方法计算?

2024-11-25 10:32:06
推荐回答(1个)
回答1:

99999*77778+33333*66666
=99999*77778+33333*3*22222
=99999*77778+99999*22222
=99999*100000
=9999900000