Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Stimmt das? ab - ac - b + c = (a - 1)(b - c)
Right answer summary: True
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Stimmt das? ab - ac - b + c = (a - 1)(b - c)
Right answer summary: True
Question state: todo