Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Quin angle, en radians, formen els vectors [begin mathsize 12px style bold left parenthesis bold # bold x bold 1 bold comma bold # bold y bold 1 bold right parenthesis bold space bold i bold space bold left parenthesis bold # bold x bold 2 bold comma bold # bold y bold 2 bold right parenthesis end style]? Dona la resposta en radians arrodonits als centèsims (sense unitats).
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Question state: todo