999×778×333×666简算!

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 02:32:39
999×778×333×666简算!999×778×333×666简算!999×778×333×666简算!999×778+333×666=999×778+999×222=999×(778+222)=

999×778×333×666简算!
999×778×333×666简算!

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

都是×?