(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)用拆项法做
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![(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)用拆项法做](/uploads/image/z/395686-46-6.jpg?t=%28-1000%E5%8F%882%2F3%29%2B%28-999%E5%8F%885%2F6%29%2B2000%E5%8F%883%2F4%2B%28-1%E5%8F%881%2F2%29%E7%94%A8%E6%8B%86%E9%A1%B9%E6%B3%95%E5%81%9A)
(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)用拆项法做
(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)用拆项法做
(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)用拆项法做
(-1000又2/3)+(-999又5/6)+2000又3/4+(-1又1/2)
=-1000-2/3-999-5/6+2000+3/4-1-1/2
=-2-5/6+3/4
=-2又1/12