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“数学广角”是人教版教材编写的一个亮点,也是一种新的尝试。它系统而有步骤地渗透数学思想方法,把重要的数学思想方法通过学生可以理解的简单形式,变成生动有趣的事例呈现出来。在教学“植树
”Mathematics Wide Angle “ is a highlight of the PEP teaching materials, but also a new attempt. It systematically and systematically infiltrated mathematical ideas and methods, turning important mathematical ideas and methods into vivid and interesting examples through simple forms that students can understand. In teaching ”planting trees