hola
-3140 X N = R
-3140 X 1 = -3140
-3140 X 2 = -6280
-3140 X 3 = -9420
-3140 X 4 = -12560
-3140 X 5 = -15700
-3140 X 6 = -18840
-3140 X 7 = -21980
-3140 X 8 = -25120
-3140 X 9 = -28260
-3140 X 10 = -31400
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