Nicolsantiagorodrigugo Nicolsantiagorodrigugo Matemáticas contestada ( -2 ) + ( -3 ) = - (-3 ) – ( -4) = -( 2 ) + ( -4 ) – ( -2 ) = ( 2 ) + ( -4 ) – ( -3 ) = ( -5 ) + ( -4 ) – ( -4 ) + ( -6 ) – ( -7 ) + ( -4 ) = PORFAVORR