一题多变,是指变化题目的条件和结论,变换题目的形式而题目的实质不变,以便从不同角度、不同方向揭示题目的实质。运用在教学中,使学生能根据变化的情况积极思考,充分让学生去探索,唤起学生的好奇心和求知欲望,激发起学生学习的兴趣。 A changeable topic refers to the conditions and conclusions of changing the topic. The nature of the topic is changed in the form of changing the topic so that the essence of the topic can be revealed from different angles and directions. It is used in teaching to enable students to think positively based on changing circumstances and fully allow students to explore, arouse their curiosity and desire for knowledge, and stimulate students’ interest in learning.