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数学练习中的一些思维难题,往往蕴含着深刻的数学思想。由于解答它具有一定的难度,老师们常常不愿花时间教它,充其量是让优等生去做一做,至于什么结果也不太重视,因为考试不可能出这么难的题。因此,这一经典的教学资源往往被搁置一旁,造成这一教学资源的无端浪费,实为可惜。其实许多思维性很强的习题,只要教师引导得当,学生完全有能力解决它,而且更能激发他们探
Some thinking problems in math exercises often contain profound mathematical ideas. Due to the difficulty of answering it, teachers often do not want to spend their time teaching it, at best, by allowing top students to do one thing. As to what the result does not pay much attention to, exams can not be so difficult. Therefore, it is a shame that this classic teaching resource is often left aside, resulting in unwarranted waste of this teaching resource. In fact, many highly thinking exercises, as long as teachers guide properly, students are fully capable of solving it, but also be able to inspire them to explore