-(+4)是( )的相反数,-(+7)是( )相反数 -(+8)=( ) -(+9)=( )
问题描述:
-(+4)是( )的相反数,-(+7)是( )相反数 -(+8)=( ) -(+9)=( )
答
-(+4)是(4 )的相反数,-(+7)是( 7)相反数 -(+8)=(-8 ) -(+9)=( -9 )
-(+4)是( )的相反数,-(+7)是( )相反数 -(+8)=( ) -(+9)=( )
-(+4)是(4 )的相反数,-(+7)是( 7)相反数 -(+8)=(-8 ) -(+9)=( -9 )