19999+9999×9999简便算法.

2025-04-12 23:22:27
推荐回答(2个)
回答1:

19999+9999×9999
=10000+9999+9999×9999
=10000+9999×(9999+1)
=10000+9999×10000
=10000×(9999+1)
=10000×10000
=100000000

回答2:

简便计算:9999×9999+19999