计算:(-2又3/4)+1又2/3+0.75+(+1/8)+(-3.125)

问题描述:

计算:(-2又3/4)+1又2/3+0.75+(+1/8)+(-3.125)

(-2又3/4)+1又2/3+0.75+(+1/8)+(-3.125)
=-2-3/4+1+2/3+3/4+1/8-3-1/8
=-2+1+2/3-3
=-4+2/3
=-10/3
=-3又1/3