<prompt> Tarisa ndima iri pasi apa uye wozopindura mubvunzo unotevera mumutauro mumwe chetewo: Passage: Muna 1946, hurumende yeViet Minh yakazova hurumende yeNorth Vietnam yakaunza mari yayo pachayo, iyo đồng, kutsiva French Indochinese piastre pa par. Kukoshesazve kwakatevera kaviri, muna 1951 na1959; yekutanga yaive pamwero we100: 1, yechipiri pamwero we1,000: 1. Mubvunzo: Ndeapi makore akauya nekudzokorora?  <response>: 1951 na1959 