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5 年
导读Day 24:‘A problem well put is half solved’ Chapter 9 补充思考题
今晚(3月24日)导读第二阶段在线答疑,19:00-21:00不见不散。如果你有什么问题,希望作者解答,请在中午12点前提出来(请用英文表述)。我将转发给第二作者Nick Saville 博士。今晚他有可能参加我们的在线答疑。如果不能,他将选择性书面回答老师们的提问。
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