转化是解题的一种主要思维方法,加强这方面的训练,有利于培养学生思维的灵活性。一、把未知条件转化为已知条件思维的灵活性,不仅指善于对题目的表面进行观察并发现其特点,而且还善于挖掘隐含条件,把未知条件转化为已知条件。例如:已知六(1)班原有1/5的同学参加卫生大扫 Transformation is a major way to solve the problem of thinking, to strengthen training in this area is conducive to cultivating the flexibility of student thinking. First, the flexibility of transforming unknown conditions into known conditions not only means that we are good at observing the surface of the subject and discovering its characteristics, but also being good at mining implicit conditions and transforming the unknown conditions into known conditions. For example: it is known that six out of six (1) students in the original 1/5 class attend health sweeps