有一位教师讲了这样一件事: 上小学三年级的王小明算术成绩不好,有一次他和同班的好朋友冬生一块踢球,冬生(足率)了一跤,骨折了,有两个月没有到学校上课。小明自告奋勇说:“我天天来给你补算术!”想不到他真使冬生的算术没落下,而且自己的算术成绩也提高了。有一位家长介绍过类似的事: 小芳芳是个粗心、不爱学算术的孩子,给她辅导、补课作用都不大。有一次她和奶奶一块去买东西,鸡 One teacher told such a thing: Wang Xiaoming third grade primary school arithmetic results are poor, once he and his class friend Dongsheng a play, winter life (foot rate) a fracture, there are two Month did not go to school. Xiaoming volunteered to say: “I come to you to fill the arithmetic every day!” "I can not think he really make the winter’s arithmetic did not fall, but also improve their arithmetic results. A parent introduced a similar thing: Xiaofang Fang is a careless, not learning math child, give her counseling, remedial classes are not large. Once she and her grandmother to buy things, chicken