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不少同学不重视乘法公式、因式分解这类基础知识的学习,或仅停留在会套公式就可以的层次上,不知乘法公式、因式分解的地位与数学运算等同.试想不会数学运算如何学数学?那么不会乘法公式、因式分解也不可能学好初等数学,要掌握好这门工具还得先从如何掌握公式谈起。
Many students do not pay attention to multiplication formulae, factorization, or the basic knowledge of factorization, or just stay at the level where the formula can be set. I don’t know the multiplication formula and the factorization status is equivalent to the mathematical operation. Imagine not having mathematical operations. How to learn mathematics? Then it is impossible to multiply formulas and factorization. It is impossible to learn elementary mathematics. To master this tool, you must first talk about how to master the formula.