0.25+(-8分之1)-(+8分之7)-(+4分之3)
问题描述:
0.25+(-8分之1)-(+8分之7)-(+4分之3)
求列式!
答
0.25+(-8分之1)-(+8分之7)-(+4分之3)
=1/4-1/8-7/8-3/4
=(1/4-3/4)-(1/8+7/8)
=-2/4-8/8
=-1/2-1
=-3/2