hola
-1254 X N = R
-1254 X 1 = -1254
-1254 X 2 = -2508
-1254 X 3 = -3762
-1254 X 4 = -5016
-1254 X 5 = -6270
-1254 X 6 = -7524
-1254 X 7 = -8778
-1254 X 8 = -10032
-1254 X 9 = -11286
-1254 X 10 = -12540
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