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平方差公式应用十分广泛,有较强的灵活性和技巧性,如能正确掌握这个公式,将大大简化我们的计算。下面就平方差公式的几个方面的运用略举几例。一、直接运用平方差公式
The square-difference formula is widely used and has strong flexibility and skill. If we can correctly grasp this formula, it will greatly simplify our calculations. Here are a few examples of the use of several aspects of the squared difference formula. First, directly use the square difference formula