【设计理念】学习是一个探究与发现的过程,是一个认识、实践、提高的过程。在教学中通过组织引导学生探索三角形全等的条件,让学生们在交往中学,在观察中学,在比较中学,努力实行知与行、学与用、识与能的高度统一,培养学生善 【Design Concept】 Learning is a process of inquiry and discovery, which is a process of cognition, practice and improvement. In the course of teaching, students are guided through the organization to explore the conditions of triangular congruent so that students can develop a high degree of unity between knowledge and practice, learning and using, knowledge and ability in middle school for communication, middle school for observation, middle school for comparison, and students in good spirits