(+1又3/4)-5/6-1又1/6+1/2
问题描述:
(+1又3/4)-5/6-1又1/6+1/2
0-(+1/6)-(-1/4)-(+1/3)-(-1/2) 过程能写就写上吧
答
(+1又3/4)-5/6-1又1/6+1/2
=1又3/4-5/6-1又1/6+1/2
=(1又3/4+1/2)-(5/6+1又1/6)
=2又1/4-2
=1/4
0-(+1/6)-(-1/4)-(+1/3)-(-1/2)
=-1/6+1/4-1/3+1/2
=(-1/6-1/3+1/2)+1/4
=0+1/4
=1/4