hola
405 X N = R
405 X 1 = 405
405 X 2 = 810
405 X 3 = 1215
405 X 4 = 1620
405 X 5 = 2025
405 X 6 = 2430
405 X 7 = 2835
405 X 8 = 3240
405 X 9 = 3645
405 X 10 = 4050
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