0-1/4-(+1/3)-(-3/2)-(+5/6)=(),
问题描述:
0-1/4-(+1/3)-(-3/2)-(+5/6)=(),
答
0-1/4-(+1/3)-(-3/2)-(+5/6)
=0-1/4-1/3+3/2-5/6
=-3/12-4/12+18/12-10/12
=(-3-4+18-10)/12
=1/12