<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukudlula: Ngo-1946, uhulumeni waseViet Minh kamuva owaba uhulumeni waseNyakatho yeVietnam wethula imali yawo, i - đồng, ukuze ithathe indawo yepiastre yaseFrance Indochinese ngokulingana. Kwabe sekulandela ukuhlolwa kabusha kabili, ngo-1951 nango-1959; okokuqala kwaba ngesilinganiso esingu-100:1, okwesibili kwaba ngesilinganiso esingu-1.000:1. Umbuzo: Yiziphi iminyaka okwenzeka ngayo ukuguqulwa kwezindleko?  <response>: Ngo-1951 nango-1959 