Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Alegeţi formula corectă pentru termenul general al unei progresii aritmetice.: [straight a subscript straight n equals straight a subscript 1 plus left parenthesis straight n minus 1 right parenthesis straight r]; [straight a subscript straight n equals straight a subscript 1 plus straight n times straight r]; [straight a subscript straight n equals straight a subscript 1 plus left parenthesis straight n minus 2 right parenthesis straight r ]
Right answer summary: [straight a subscript straight n equals straight a subscript 1 plus left parenthesis straight n minus 1 right parenthesis straight r]
Question state: todo