Tabla del -2

-2 X 1 = -2
-2 X 2 = -4
-2 X 3 = -6
-2 X 4 = -8
-2 X 5 = -10
-2 X 6 = -12
-2 X 7 = -14
-2 X 8 = -16
-2 X 9 = -18
-2 X 10 = -20