记得小学六年级时,接班的数学老师是一个矮矮的女老师,其貌不扬,课上也没什么精彩表现。同学们都深感失望,因而上课时总打不起精神,对数学也渐渐不感兴趣了。然而有一天,我们都被她震住了。那是在学“圆”的知识时,只见数学老师双腿分开,半蹲着,“刷”地一声,在黑板上画下了一个非常标准的圆(课后同学们 I remember the sixth grade primary school, the math teacher succession is a dwarf female teacher, superficial, class no performance. Students are deeply disappointed, so the total class can not afford to spit the spirit of mathematics are gradually not interested. One day, however, we were shocked by her. It was learning “circle” of knowledge, I saw the math teacher legs apart, squatting, “brush ” sound, on the blackboard drawn a very standard circle (after class students