ZAMBRANOSAMANTHAKRISIN ZAMBRANOSAMANTHAKRISIN Matemáticas contestada a)-3/7-4/9×5/6= b)(-3/2-4/5)+(7/3+5/2)= c)(6/4+1/2)-8/3×4/3= d)-1/3-(3/4-1/2)+(2/6×4)-1/6=
