在课堂教学中,教师应通过精心设计的习题,培养学生的创造性思维.一、运用不定型习题,培养思维的广阔性这里所说的不定型习题是指条件或结论不确定的问题.1、条件、结论都不定型.例1已知x4+1+a为一个完全平方数,则a=.分析由于这里没有说明是几项完全平方数,它可以是一项完全平方 In classroom teaching, teachers should cultivate students’ creative thinking through well-designed exercises. First, use indefinite type exercises to cultivate the broadness of thinking. Indefinite exercises referred to here are problems with uncertain conditions or conclusions. Conditions and conclusions are indeterminate. Example 1 Given that x4+1+a is a complete square, then a=. Analysis Since there is no indication that there are several full squares, it can be a complete square.