答案如下：5/6-1/2+1/3
=5/6-3/6+2/6
=2/6+2/6
=4/6
=2/3
5/6-1/2+1/3等于多少？5/6-1/2+1/3=1/3+1/3=2/3
5/6-1/2+1/3=(1/3+1/2)-1/2+1/3=(1/3+1/3)+(1/2-1/2)=2/3+0=2/3
