一题多解是通过不同的思维途径从不同的方向,不同的侧面,不同的层次运用不同的知识和方法解决同一个问题。训练一题多解能加深同学们对知识的理解、掌握与应用,而且能提高同学们的应变能力和发散思维能力,拓展同学们的思维空间和解题技能,能达到举一反三、触类旁通的效果。下面举例说明供同学们赏析。例题总质量为M的列车,沿水平直线轨道匀速前进,其末 Multi-pronged approach is to solve the same problem with different knowledge and methods from different directions, different sides and different levels through different ways of thinking. Training more than one question can deepen students ’understanding, mastery and application of knowledge, and can improve students’ ability to respond and divergent thinking, expand their thinking space and problem solving skills, and can achieve the goal of giving top priority to others. The following examples for students to appreciate. Example total mass of M train, along the horizontal straight track orbit, its end