3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
问题描述:
3/2+6/1+9/1+12/1+15/1+18/1 怎么简算
答
2/3+1/6+1/9+1/12+1/15+1/18
=8/12+2/12+2/18+1/15+1/18
=10/12+3/18+1/15
=5/6+1/6+1/15
=1+1/15
=16/15