-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=
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![-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=](/uploads/image/z/2685176-8-6.jpg?t=-9%E5%8F%882%2F3%2B%EF%BC%88-13%E5%8F%887%2F8%EF%BC%89-2003.3-8-%EF%BC%88-7%E5%8F%882%2F3%EF%BC%89-%EF%BC%88%2B17%2F8%EF%BC%89-%EF%BC%88-2003.3%EF%BC%89%3D)
-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=
-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=
-9又2/3+(-13又7/8)-2003.3-8-(-7又2/3)-(+17/8)-(-2003.3)=
-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
-2又2/3-128/8-8=-8/3-32=-104/3=-34又2/3