-0.5+(-2/3)-I-4/5I-(-1/2)-(+1/3)

问题描述:

-0.5+(-2/3)-I-4/5I-(-1/2)-(+1/3)

原式=-0.5-2/3-4/5+1/2-1/3
=(-0.5+1/2)+(-2/3-1/3)-4/5
=-1-4/5
=-9/5