Bet Dosen long Rulet
Bet long dosen long rulet i karamapim twelpela namba i kam bihain bihain: 1–12, 13–24 o 25–36.

Twelpela namba, pe em 2:1. SansmatematikSansSans bilong wanpela resal, long 0 i go 1 o 0% i go 100%. Wanpela namba: 1/37 = 2.70%.Ritim olgeta → 32.43%. Siro i lus.
Ol dosen i stap we long tebol rulet?
Ol tripela boks long longpela sait bilong laiauttulLaiautGrid bilong bet ol i prinim long tebol. Narapela nem: table, felt, cloth.Ritim olgeta →, i gat mak 1st 12, 2nd 12, 3rd 12, o long ol tebol bilong Frans, P12 (première), M12 (moyenne), D12 (dernière). Olgeta wan wan i mas inapim liklik mani tru bilong tebol. SirowilSiroWanpela grinpela hul we i no gat bet wan-long-wan, dosen o kolam i karamapim; em i as bilong edj bilong kasino. Narapela nem: wanpela siro, 0.Ritim olgeta → i no stap long wanpela dosenbetDosen1–12, 13–24 o 25–36, pe em i 2:1.Ritim olgeta →.
Pe na avarej bilong bet long dosen long rulet
Tru ods long twelpela namba long 37 em 2.083 long 1; tebol i pe 2 tasol. Bet $10 long dosen i win, yu kisim $20. Long 37 tanim long avarej: 12 win (+$240), 25 lus (−$250), olgeta −$10.
Tupela dosen wantaim
Sapos yu karamapim tupela dosen wantaim wankain sipmaniSipSamting i makim wanpela namba mani i no save senis, yu putim long laiaut bilong mekim bet. Narapela nem: check.Ritim olgeta →, yu win long 24 long 37 tanim (64.9%), tasol win tru em wanpela yunitmaniYunitMani bilong bet bilong stat we wanpela sistem o wanpela pleia i wok long en. Ol i stori long ol progresen long yunit, olsem na ol i ken wok long wanem tebol.Ritim olgeta → tasol: yu win 2 long wanpela na yu lus 1 long narapela. Long 13 tanim yu lus, yu lusim tupela yunit long wan wan. (24 × 1 − 13 × 2)/37 = −2/37 long tupela yunit, em 2.70% olsem oltaim. Pasin bilong en i luk gutpela, win klostu tupela taim long tripela tanim, tasol edj i no senis.
Dosen na progresen long rulet
Sapos yu dabelim bet bihain long lus long dosen, em i no kisim bek mani olsem long bet wan-long-wan. PemaniPeMani bet i win i givim yu, ol i tok olsem “X long 1”, antap long mani bilong bet i kam bek.Ritim olgeta → 2 long 1 bihain long dabel i kisim bek tupela lus tasol, i no olgeta. Olsem na “MartingalestratejiMartingaleProgresen i mekim bet i dabel bihain long olgeta lus. Lukim hap Strateji long wanem samting em i mekim na i no mekim.Ritim olgeta → bilong dosen” i save putim bet tripela taim moa. Sapos yu mekim tripela taim moa, long faivpela step $5 i kamap long mak bilong teboltebolMak bilong tebolBet liklik tru na bet bikpela tru ol i larim. Mak antap em i samting i stopim ol progresen i save dabel.Ritim olgeta → $500. Long dabel long retbetRetBet wan-long-wan long 18 namba ret. Tok Frans: rouge.Ritim olgeta →, em i kisim sevenpela step. Ol sistem i senisim wanem dosen yu no betim i no senisim wanpela samting, long wanem, ol tanim i no hangamap long narapela.
Long wil
Twelpela namba bilong wanpela dosen i stap nabaut long arere bilong wil. Namba wan dosen i kisim ol hultulHulWanpela long ol 37 hul i gat namba long rota. Narapela nem: slot, cup.Ritim olgeta → 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, na ol i stap nabaut long olgeta hap bilong wil. Dosen em bet long laiaut, i nogat seksenwilSeksenWanpela hap bilong wil we ol hul i stap wan bihain long narapela, i narakain long wanpela grup long laiaut.Ritim olgeta → long wil. Olsem na ol pleia i painim bias i no save betim.
Ol askim
Nogat. Olgeta wan wan em 12 long 37. Namba tu dosen i gat 17, namba ol man i save betim moa, tasol dispela i no senisim wanpela samting.
Yes. Long 36 long 37 tanim, yu bai win long wanpela na lus long tupela. Long siro, yu lusim olgeta tripela.
Tupela i karamapim twelpela namba. Lo bilong pe i kaunim tasol hamas namba yu karamapim.
Liklik lap

Win long 64.9% bilong ol tanim. Lus long 2.70% bilong mani.
Ol As bilong Save
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.