9又3/1+99又3/1+999又3/1+9999又3/1+2又3/2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 02:07:20
![9又3/1+99又3/1+999又3/1+9999又3/1+2又3/2](/uploads/image/z/401666-50-6.jpg?t=9%E5%8F%883%2F1%2B99%E5%8F%883%2F1%2B999%E5%8F%883%2F1%2B9999%E5%8F%883%2F1%2B2%E5%8F%883%2F2)
9又3/1+99又3/1+999又3/1+9999又3/1+2又3/2
9又3/1+99又3/1+999又3/1+9999又3/1+2又3/2
9又3/1+99又3/1+999又3/1+9999又3/1+2又3/2
333X334+999X222
=333X334+333X666
=333×(334+666)
=333×1000
=333000