Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula: 4 + 2 + 4 - 1 - 2 - 9
Right answer summary: The content can not be displayed.
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula: 4 + 2 + 4 - 1 - 2 - 9
Right answer summary: The content can not be displayed.
Question state: todo