(-2005)+4000又3/4+(-2004又2/3)+(-1又1/2)

问题描述:

(-2005)+4000又3/4+(-2004又2/3)+(-1又1/2)
尽快回答,

(-2005)+4000又3/4+(-2004又2/3)+(-1又1/2)
=(4000-2004-2005-1)+(3/4-2/3-1/2)
=0+9/12-8/12-6/12
=-5/12