计算.能简便的要简便.5/6-18/+1/6-5/8

问题描述:

计算.能简便的要简便.5/6-18/+1/6-5/8

wearuyASETfSfseb

5/6-1/8+1/6-5/8
=5/6+1/6-1/8-5/8
=1-6/8
=1/4