-(+4)是( )的相反数,-(+7)是( )相反数 -(+8)=( ) -(+9)=( )

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-(+4)是()的相反数,-(+7)是()相反数-(+8)=()-(+9)=()-(+4)是()的相反数,-(+7)是()相反数-(+8)=()-(+9)=()-(+4)是()的相反数,-(+7)是(

-(+4)是( )的相反数,-(+7)是( )相反数 -(+8)=( ) -(+9)=( )
-(+4)是( )的相反数,-(+7)是( )相反数 -(+8)=( ) -(+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 )