Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: [D a c a space A B C D space e s t e space # t comma space a t u n c i space vertical line space stack A B with rightwards arrow on top space minus stack B C with rightwards arrow on top space vertical line space equals space vertical line space stack A B with rightwards arrow on top space plus space stack B C with rightwards arrow on top space vertical line.]
Right answer summary: True
Question state: todo