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平方差公式和完全平方公式是初中数学课程中的两个重要公式,他们不仅是整式乘法的常用公式,也是因式分解的主要公式,因此,关于这两个公式的教学在初中数学教学中占有重要位置.由于学习者在初学阶
The squared difference formula and the complete squared formula are two important formulas in the junior high school mathematics curriculum. They are not only the common formulas for integral multiplication, but also the main formulas for factorization. Therefore, the teaching of these two formulas occupies the junior mathematics teaching. Important position. Because learners are at the beginning stage