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初二部分学生数学成绩下降,已是公认的事实,主要原因是学生对学习平面几何感到困难,尤其是逻辑推理能力差。各地老师都采取了有效措施,力图改变这种状况,尤其是在平面几何本学科的教学改革方面都取得了许多成功
The decline in mathematics achievement of students in grade two is already a recognized fact. The main reason is that students find it difficult to study plane geometry, especially poor logical reasoning ability. All local teachers have taken effective measures to change this situation, especially in the teaching reform of plane geometry.