hola
-1243 X N = R
-1243 X 1 = -1243
-1243 X 2 = -2486
-1243 X 3 = -3729
-1243 X 4 = -4972
-1243 X 5 = -6215
-1243 X 6 = -7458
-1243 X 7 = -8701
-1243 X 8 = -9944
-1243 X 9 = -11187
-1243 X 10 = -12430
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