Kwa uwazi tegemezi -v1 + 2v = v3. Lakini wakati ujao anaizuia.  Sio muhimu sana katika hili muhadhara.####[['NULL', 'Instructor', 'NEU'], ['muhadhara', 'Course_General_Feedback', 'NEU'], ['tegemezi -v1 + 2v = v3', 'Mathematical_Related_Concept', 'NEU']]