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有关代数恒等式的证明有时并不难,倒是在教学中,有的学生感到结果来的突然,不易接受,如果在讲其证明之前作一番探索,对培养学生能力和发展学生智力是大有益处的,这是以教材上的两道
The proof of algebraic identities is not always difficult. It is in the teaching that some students feel that the results are sudden and unacceptable. If the exploration is done before the proof is proved, it will greatly benefit the development of student abilities and the development of student intelligence. This is based on two teaching materials.