Alexismen11182go Alexismen11182go Matemáticas contestada 1.-( -1/5) + ( -3/5) = 2.- (+2/6) + (-5/6)= 3.-(-4/12) + (-4/6)- (- 1/3)= 4.- (- 5/12) + (+4/20)= 5.- (-6/12) + (-1/6) = ayudaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa