Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: _Determina la siguiente suma:_ _[sum from # r equals # n 1 to # n 2 of # r e s p]_ _#obs1_ _#obs2_
Right answer summary: The content can not be displayed.
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: _Determina la siguiente suma:_ _[sum from # r equals # n 1 to # n 2 of # r e s p]_ _#obs1_ _#obs2_
Right answer summary: The content can not be displayed.
Question state: todo