发布网友 发布时间:2024-10-24 11:34
共2个回答
热心网友 时间:2024-11-06 05:05
9999×7778+3333×6666
=9999×7778+3333×2222
=9999×7778+9999×2222
=9999×(7778+2222)
=99990000
热心网友 时间:2024-11-06 05:05
简算如下
9999×7778+3333×6666
=9999×7778+3333×3×2222
=9999×7778+9999×2222
=9999×(7778+2222)
=9999×10000
=99990000