-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=
问题描述:
-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=
答
-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)
=-9又2/3+7又2/3-13又7/8-2又1/8-2003.3+2003.3-8
=-2-16+0-8
=-26