FrxxRio FrxxRio 17-03-2021 Mathematics contestada 12 11 10 9 8 4 3 -12-11-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10 11 12 -2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12