Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula reduciendo las expresiones semejantes -2·x-30·y+9·x-11·y=_____
Right answer summary: part 1: 7·x-41·y
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula reduciendo las expresiones semejantes -2·x-30·y+9·x-11·y=_____
Right answer summary: part 1: 7·x-41·y
Question state: todo