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数形结合包括以数解形和以形助数。在教学中渗透数形结合思想,根据问题的具体条件,用直观形象的资源帮助学生形成数字的概念,培养学生运用数形结合方法解决问题的能力,将数与形巧妙地结合起来,实现数与形的有效结合,帮助学生提高解题能力。
Number combinations include number solutions and form aids. According to the specific conditions of the problem, the author uses the visual image resources to help students to form the concept of numbers, cultivates students’ abilities to solve problems by using the method of number and form combination, cleverly combines numbers and forms, Effective combination with the shape to help students improve their ability to solve problems.