我有一个学生，刚入学时数学成绩往往要拖班里后腿，时间一长，他自身也缺乏学好数学的信心。这一情况我看在眼里，记在心上。一次课上我有意让他到黑板解一道数学题，结果解错了。我冷静分析了他的解法后说：“宋诚同学虽然题解错了，但他的解法有独到之处，为我们正确解... I have a student, math scores often drag the class hind legs, just over time, he also lacked the confidence to learn mathematics. I see this situation in mind, remember in my heart. In a class, I deliberately asked him to go to the blackboard to solve a math problem. The result was wrong. After I calmly analyzed his solution, he said: "Song Cheng students although the problem was wrong, but his solution is unique, for our correct solution ...