(-2005) 4000又3/4 (-2004又2/3) (-1又1/2)=?
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![(-2005) 4000又3/4 (-2004又2/3) (-1又1/2)=?](/uploads/image/z/600247-55-7.jpg?t=%28-2005%29+4000%E5%8F%883%2F4+%EF%BC%88-2004%E5%8F%882%2F3%EF%BC%89+%EF%BC%88-1%E5%8F%881%2F2%EF%BC%89%3D%3F)
(-2005) 4000又3/4 (-2004又2/3) (-1又1/2)=?
(-2005) 4000又3/4 (-2004又2/3) (-1又1/2)=?
(-2005) 4000又3/4 (-2004又2/3) (-1又1/2)=?
(-2005)+4000又3/4+(-2004又2/3)+(-1又1/2)
=(-2005)+(4000+3/4)+(-2004+2/3)+(-1+1/2)
=-2005+4000+3/4-2004-2/3-1-1/2
=(-2005)+4000+3/4+(-2004)+(-2/3)+(-1)+(-1/2)
=[(-2005)+4000+(-2004)+(-1)]+[3/4+(-2/3)+(-1/2)]
=-10+(-5/12)
=-10又5/12
(-2005)+4000又3/4+(-2004又2/3)+(-1又1/2)
=(-2005)+(4000+3/4)+(-2004+2/3)+(-1-1/2)
=-2005+4000+3/4-2004-2/3-1-1/2
=(-2005)+4000+3/4+(-2004)+(-2/3)+(-1)+(-1/2)
=[(-2005)+4000+(-2004)+(-1)]+[3/4+(-2/3)+(-1/2)]
=-10+(-5/12)
=-10又5/12