-a+12/b的相反数( ) m+1/2n相反数( )
问题描述:
-a+12/b的相反数( ) m+1/2n相反数( )
答
-a+12/b的相反数(a-12/b ) m+1/2n相反数(-(m+1)/2n )
-a+12/b的相反数( ) m+1/2n相反数( )
-a+12/b的相反数(a-12/b ) m+1/2n相反数(-(m+1)/2n )