(-13又1/3)*1/5+(-6又2/3)*1/5+(196又1/7)除以5-(+76又1/7)除以5
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![(-13又1/3)*1/5+(-6又2/3)*1/5+(196又1/7)除以5-(+76又1/7)除以5](/uploads/image/z/29101-13-1.jpg?t=%28-13%E5%8F%881%2F3%EF%BC%89%2A1%2F5%2B%EF%BC%88-6%E5%8F%882%2F3%EF%BC%89%2A1%2F5%2B%EF%BC%88196%E5%8F%881%2F7%EF%BC%89%E9%99%A4%E4%BB%A55-%EF%BC%88%2B76%E5%8F%881%2F7%EF%BC%89%E9%99%A4%E4%BB%A55)
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(-13又1/3)*1/5+(-6又2/3)*1/5+(196又1/7)除以5-(+76又1/7)除以5
(-13又1/3)*1/5+(-6又2/3)*1/5+(196又1/7)除以5-(+76又1/7)除以5
(-13又1/3)*1/5+(-6又2/3)*1/5+(196又1/7)除以5-(+76又1/7)除以5
(-13又1/3)*1/5+(-6又2/3)*1/5+(196又1/7)除以5-(+76又1/7)除以5
=(1/5)×(-13-1/3-6-2/3+196+1/7-76-1/7)
=(1/5)×(-20+120)
=(1/5)×100
=20;
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