Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Resol el sistema d'equacions següent: [Error converting from MathML to accessible text.] x1=_____ y1=_____ x2=_____ y2=_____
Right answer summary: part 1: -3; part 2: 1; part 3: -3; part 4: 1
Question state: todo