Tabla del -91

-91 X 1 = -91
-91 X 2 = -182
-91 X 3 = -273
-91 X 4 = -364
-91 X 5 = -455
-91 X 6 = -546
-91 X 7 = -637
-91 X 8 = -728
-91 X 9 = -819
-91 X 10 = -910