现在,摆在教师和学生面前常有的困惑是:教师讲了许多例题,学生做了许多习题,结果收效并不大。于是,教师讲更多的例题,学生做更多的习题,如同军备竞赛。客观上讲,现在学生并不缺乏必要的解题训练,而是需要教师在训练中把握好各方面“多”与“少”的关系。多质量保证,少数量追求 Now, the common perplexity confronting teachers and students is that teachers have taught many examples and students have done a lot of exercises, but the results are not great. As a result, teachers speak more examples and students do more exercises, like an arms race. Objectively speaking, students do not lack the necessary problem-solving training. Instead, they need teachers to grasp the relationship between “multiple” and “less” in all aspects of training. Many quality assurance, fewer quantity pursuits