Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Sa se rezolve ecuatia : -5 + 1 + 7 +13 + . . . + x = 1971
Right answer summary: The content can not be displayed.
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Sa se rezolve ecuatia : -5 + 1 + 7 +13 + . . . + x = 1971
Right answer summary: The content can not be displayed.
Question state: todo