9又3/1+99又3/1+999又3/1+9999又3/1+2又3/2

问题描述:

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