A good instructorCan teach me to understand it.But the most difficult subjects for me is very difficult math it.I read chemistry and biology 1-2. Around me and remembered, but I want to read and do math practice sessions so much.Sometimes I think that itself is not in accordance with the calculation.Perhaps I think that itself is not good.My last lesson.I have an exam on the day of the event: 26-December 27, and the last time in March.
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