hola
-3121 X N = R
-3121 X 1 = -3121
-3121 X 2 = -6242
-3121 X 3 = -9363
-3121 X 4 = -12484
-3121 X 5 = -15605
-3121 X 6 = -18726
-3121 X 7 = -21847
-3121 X 8 = -24968
-3121 X 9 = -28089
-3121 X 10 = -31210
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