Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula 4·x·y - 25·x·z+ 11·x·y - 9·x·z: -7·x·y+16·x·z; 15·x·y-34·x·z
Right answer summary: 15·x·y-34·x·z
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula 4·x·y - 25·x·z+ 11·x·y - 9·x·z: -7·x·y+16·x·z; 15·x·y-34·x·z
Right answer summary: 15·x·y-34·x·z
Question state: todo