算式(-17/4)-(+25/8)+(-39/8)-(-11/2)详细解题方法,

问题描述:

算式(-17/4)-(+25/8)+(-39/8)-(-11/2)详细解题方法,

(-17/4)-(+25/8)+(-39/8)-(-11/2)
=-34/8-25/8-39/8+44/8
=10/8-64/8
=-54/8
=-27/4谢谢你