999×778+333×666简便

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/05 16:40:59
999×778+333×666简便999×778+333×666简便999×778+333×666简便999×778+333×3×666÷3=999×778+999×222=999×(778+222)

999×778+333×666简便
999×778+333×666简便

999×778+333×666简便
999×778+333×3×666÷3
=999×778+999×222
=999×(778+222)
=999000

999×778+333×666=999×778+999×222=999(778+222)=999*1000=999000