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做数学题时,我总会避免拿出一整节自习课来攻一道题的情况,我觉得那样就失去了做题的意义.相反,我常常是看着手表做题,1道大题、12道选择题、4道填空题大概需要多长时间都心里有数.
When I do math problems, I always avoid using a whole section of self-study classes to attack a problem. I feel that I lose the meaning of doing the problem. On the contrary, I often look at the watch to do the problem. How long it takes to take 12 multiple-choice questions and 4 blank-fill questions is very clear.