"One problem, many solutions" can reduce the burden of teachers' teaching and change their teaching mode. From the teacher's point of view, "explanation - acceptance" of the teaching model, the stereotypes ignore the student's empty subject, teaching methods single, boring easy to make students lose interest in learning, if this case of a variety of solutions into a teacher's explanation, no matter how you say how to solve this problem, a lesson down, the whole classroom is the teacher a person's stage, students like an audience, just passive acceptance, resulting in a class dead, students do not feel interested, so drowsy, Students' grasp of teaching difficulties and learning effects can be imagined.
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