a分之a的相反数=1,则a( )0,若a分之a的相反数=-1,则a()0
问题描述:
a分之a的相反数=1,则a( )0,若a分之a的相反数=-1,则a()0
答
a分之a的相反数=1,则a( >)0,若a分之a的相反数=-1,则a(
a分之a的相反数=1,则a( )0,若a分之a的相反数=-1,则a()0
a分之a的相反数=1,则a( >)0,若a分之a的相反数=-1,则a(