??? ??? ?????? ??? ?? ??? ?? ??? ?? ???? ??? ? ?? ??? ??? ?? ?? ???? ????? ??? ??? ?????. The calculation on the roulette residence edge is a trivial exercise; for other online games, this is not typically the case. Combinatorial analysis and/or Laptop simulation is necessary to accomplish the undertaking. ??? ???? ???? ? ? ??? ???? ????? ???? ??