波利亚把解题作为培养学生的数学才能和教会他们思考的一种手段和途径.在波利亚看来,解题的过程,就是不断变更题目的过程.他说:“解题的成功要靠正确思路的选择,要靠从可以接近它的方向去攻击堡垒.为了辨别哪一条思路正确,哪一方向可接近它,就要试探各种方向和各种思路,就要变 Polia uses problem solving as a means and way to develop students’ mathematical abilities and to teach them to think, and in Polia’s view, the process of problem solving is the process of continually changing the subject. "The success of problem solving To rely on the right choice of thinking, we must attack the fort by approaching it. In order to identify which one is correct and which one is to be approached, we must test all directions and ideas and change