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数轴是中学数学中极其重要的概念,它是反映数之间的良好载体.数轴不仅能帮助我们直观形象地认识数,从给定的条件获取解题信息,启迪思维,同时数轴还是一种很重要的解题工具.把(数)用数轴上的点(形)来表示体现
The number axis is an extremely important concept in middle school mathematics. It is a good carrier for reflecting numbers. Several axes can not only help us to visually recognize numbers, but also obtain problem solving information from given conditions and enlighten our thinking. An important tool for problem solving. Use (points) on the axis to represent (number)