Ƙamus · lissafi
Haɗarin ƙarewar jari
Yiwuwar rasa duka jarin caca kafin a kai wani buri ko wani adadin juye-juye.
A cikin mahallin amfani
Ga caca daidai-wa-daida a kan cace-cacen ɗaya zuwa ɗayacacaCacar ɗaya zuwa ɗaya (even-money)Ja/baƙi, mara/cika, manya/ƙanana. Lambobi 18, biya 1:1.Karanta gaba ɗaya →, yana bin ƙa'idar lissafin ƙarewar jarin ɗan caca; abin mamaki, manyan cace-cace suna inganta damar kaiwa buri saboda kuɗi kaɗan ne ke fuskantar fifikon gidan caca.
Ko kun sani
Pascal ya gabatar wa Fermat da matsalar ƙarewar jarin ɗan caca a 1656, kuma duka biyun sun warware ta; Huygens ya ji labarinta, shi ma ya warware ta kuma ya buga ta a 1657. Ta girmi roulette kanta.