[15/13-(5/8-1/6+7/12)*24]/5
问题描述：
[15/13-(5/8-1/6+7/12)*24]/5
答
[15/13-(5/8-1/6+7/12)*24]/5
=[15/13-(5/8*24-1/6*24+7/12*24）]/5
=[15/13-(15-4+14)]/5
=[15/13-25]/5
=15/13÷5-25÷5
=3/13-5
=-4又10/13