小时候上子弟学校,老师大都是从工人中临时抽调的,讲课常会出错。从小学的溶液问题,到初中的几何,爸爸成了我最好的老师。他发现溶液问题老师讲错了,就用高锰酸钾兑水做成溶液,翻来覆去给我边演示边讲解,终于让我彻底弄明白了。有一次,爸爸看到大弟弟做一道作图题:求作一正方形,与已 When I was young, most of my children and schoolgirls were temporarily recruited from workers. There was often a mistake in my lectures. From elementary school solution problems to junior high school geometry, my father became my best teacher. He found that the solution to the problem the teacher made a mistake, we use potassium permanganate watered to make a solution, over and over to give me a presentation while explaining, and finally let me completely understand. Once, my father saw a big brother to do a drawing problem: seeking a square, with already