. The questions put forward by the students in this primary school math class are ahead of time, and they will learn what the teacher said in the next class.

Thinking.

The students' thinking is very good, and they have their own understanding of the knowledge in this lesson. He must have listened carefully in class, which is why this problem appears. This student should be encouraged and praised.

This student's affirmation can also drive other students' learning motivation and vitality.

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