计算 (-2014又5/6)+(-2013又2/3)+4028+(-1又1/2)
问题描述:
计算 (-2014又5/6)+(-2013又2/3)+4028+(-1又1/2)
(-2014又5/6)+(-2013又2/3)+4028+(-1又1/2)
越快越好
答
(-2014又5/6)+(-2013又2/3)+4028+(-1又1/2)
=-2014又5/6-2013又2/3+4028-1又1/2
=-(2014又5/6+2013又2/3+1又1/2)+4028
=-(4028又12/6)+4028
=-4030+4028
=-2