Nzọ Elu / Ala na Roulette
1–18 (ala, manque) ma ọ bụ 19–36 (elu, passe).

Na-akwụ 1:1, oheremgbakọOhereOhere nke otu nsonaazụ, site na 0 ruo 1 ma ọ bụ 0% ruo 100%. Otu nọmba: 1/37 = 2.70%.Gụọ ya niile → 48.65%.
Ebe a na-etinye ya
Igbe “1–18” na “19–36” na njedebe abụọ nke ahịrị mpụga. Na mbadamba nzọngwa ọrụMbadamba nzọGrid ịgba nzọ e bipụtara na tebụl. A na-akpọkwa ya: tebụl, felt, ákwà.Gụọ ya niile → French, e dere manque (“ọ fọdụrụ”: bọọlụngwa ọrụBọọlụObere bọọlụ a na-atụba n’ụzọ ahụ megidere rotor. Bọọlụ ọgbara ọhụrụ bụ ivorine ma ọ bụ Teflon, 18–21 mm.Gụọ ya niile → agafeghị 18) na passe (“ọ gafere”: ọ gafere). Nke ọ bụla ga-eru oke ala tebụl.
Odds na ụgwọ roulette nke 1–18 na 19–36
Otu ihe ahụ dị ka uhienzọUhieNzọ ego hara nhata na nọmba uhie 18. French: rouge.Gụọ ya niile →/ojinzọOjiNzọ ego hara nhata na nọmba oji 18. French: noir.Gụọ ya niile → na odd/even: odds ziri ezi 1.056 ruo 1, tebụl na-akwụ 1, uru ụlọ 2.70%, ma ọ bụ 1.35% na la partageiwuLa partageIwu French: mgbe efu pụtara, a na-eweghachi ọkara nke ego nzọ ego hara nhata. Ọ na-ebelata uru ụlọ na nzọ ndị ahụ ruo 1.35%.Gụọ ya niile →.
Na wiil
Nọmba elu na nọmba ala na-esochi ibe ha gburugburu ọnụ wiil ihe fọrọ obere ka ọ zuo oke, ya mere nzọ a anaghị ekpuchi sectorwiilSectorAkụkụ oghere na-esochi ibe ha na wiil, nke dị iche na otu ìgwè na mbadamba nzọ.Gụọ ya niile → ọ bụla; ọ bụ naanị nchịkọta mbadamba nzọ. Lee usoro ahụ site na efuwiilEfuOtu oghere akwụkwọ ndụ nke nzọ ego hara nhata, dozen ma ọ bụ column ọ bụla na-ekpuchighị; isi mmalite uru ụlọ. A na-akpọkwa ya: single zero, 0.Gụọ ya niile →: 32 (elu), 15 (ala), 19 (elu), 4 (ala), 21 (elu), 2 (ala) wee gaa n’ihu.

Ụgwọ roulette 19–36 n’ime ntụgharị 37
Na $10 kwa ntụgharị, nzọ na 19–36 na-emeri ugboro 18 n’ime ntụgharị 37 na nkezi (+$180), na-atụfu na nọmba ala iri na asatọ (−$180) ma tufuo na efu otu ugboro (−$10): −$10 na $370 a gbara nzọ. Na wiil efu abụọ, efu abụọ ahụ na-efu $20 na $380, 5.26%. Efu dị ala karịa 1 ma ọ ka na-atụfu maka nzọ ala: igbe ahụ na-ekwu 1–18.
Njikọ
Elu gbakwunyere dozennzọDozen1–12, 13–24 ma ọ bụ 25–36, na-akwụ 2:1.Gụọ ya niile → nke atọ na-adakọ n’iri na abụọ niile nke 25–36, ya mere ọ bụ nzọ e tinyere ibu arọ na 19–36 ebe a na-ekpuchi dozen kacha elu ugboro abụọ. Ala gbakwunyere uhie na-adakọ na nọmba itoolu. Ọ dịghị nke ọ bụla n’ime njikọ ndị a na-agbanwe uru a tụrụ anyamgbakọUru a tụrụ anyaNkezi nsonaazụ kwa nzọ n’ogologo oge. −1/37 nke ego nzọ maka nzọ Europe ọkọlọtọ ọ bụla.Gụọ ya niile →; akụkụ ọ bụla bụ 2.70% n’onwe ya.
Ihe dị n’ọkara ọ bụla
Ọkara ọ bụla nwere nọmba uhie itoolu na oji itoolu, na odd itoolu na even itoolu. Nọmba uhie bụ 1, 3, 5, 7, 9, 12, 14, 16 na 18 n’ọkara ala na 19, 21, 23, 25, 27, 30, 32, 34 na 36 n’ọkara elu. Ala bụ dozen mbụ na ọkara nke abụọ; elu bụ ọkara nke ọzọ nke abụọ na nke atọ. Ọ dịghị obere nzọ na-ekpuchi 1–18 n’ọnụ ala karịa: dozen na-akwụ 2 ruo 1 na nọmba iri na abụọ, six linenzọSix lineNọmba isii n’ahịrị abụọ na-esochi ibe ha, na-akwụ 5:1. French: sixain.Gụọ ya niile → 5 ruo 1 na isii, nke ọ bụla na-efukwa otu 2.70% ahụ.
Iwu French
Na la partage, ọkara nke nzọ manque ma ọ bụ passe na-alaghachi mgbe efu pụtara, ọnụ ahịa ya na-agbadakwa ruo 1.35%. Na en prisoniwuEn prisonIwu French: mgbe efu pụtara, a na-ejide nzọ ego hara nhata maka ntụgharị na-esote kama ịtụfu ya. Ọ na-ekewa uru ụlọ na nzọ ndị ahụ ụzọ abụọ.Gụọ ya niile →, a na-ejide nzọ ahụ maka otu ntụgharị ọzọ kama: ọ bụrụ na o meriri, a na-eweghachi ya na-enweghị mmeri, ọ bụrụ na o tufuru, a na-ewere ya.
Ajụjụ
Bọọlụ ahụ erughị, ọ “tụfuru” ịgafe 18. Passe pụtara na ọ gafere.
Mba. Ntụgharị ọ bụla bụ 18/37 maka ọkara ọ bụla.
Ihe ọchị

1–18 ma ọ bụ 19–36. Otu nzọ ahụ dị ka uhie, igbe dị iche.
Isi Mmalite
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.