Respostas

2014-04-21T20:02:48-03:00
ABC esse numero
(3C)(2C)(C) > 4x180 (igual a 720)
observe que, p.ex 437 = 4x100 + 3x10 + 7. Analogamente,
ABC = 100A + 10B + C ou
ABC = 300C + 20C + C = 321C
321C > 720 ==> C > 2 portanto C = 3
ABC = 321x3 =963 (resp)

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