hola
-2820 X N = R
-2820 X 1 = -2820
-2820 X 2 = -5640
-2820 X 3 = -8460
-2820 X 4 = -11280
-2820 X 5 = -14100
-2820 X 6 = -16920
-2820 X 7 = -19740
-2820 X 8 = -22560
-2820 X 9 = -25380
-2820 X 10 = -28200
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