所谓变题是指置换、变更、转向、迁移等,是发散的意思·即在原命题的基础上进行挖掘、联想、拓宽加深,做到知识板块之间的互相渗透,以点带面,举一反三,综合掌握基础知识·因此,在教学中,要面向绝大多数的学生,激发学生的学习数学兴趣和求知欲,使全体学生都有机会进行创造性思维 The so-called variable title refers to replacement, change, change, migration, etc. It is the meaning of divergence. That is, excavation, association, broadening and deepening on the basis of the original propositions, so as to achieve mutual penetration between the knowledge blocks, point to surface, inferring from each other, comprehensively grasping the basics Knowledge · Therefore, in teaching, we must face the vast majority of students and inspire students to learn math interest and curiosity so that all students have the opportunity to carry out creative thinking