记得那是弟弟小宝上初二时的一个星期天，小宝的班主任来家访，说小宝的代数考了69分。妈妈和我都吃了一惊，小宝的成绩单上明明写着89分，怎么能成69分呢？望着小宝低垂的头和瞬间变红的脸，我们一下于明白了。老师走后，妈妈拿出成绩单一看，“6”上加了半弧就成了“矿。弟弟 I remember that the younger brother Andy on the first two days of a sunday, Andy’s class teacher came to visit, said Andy’s algebra took 69 points. Mom and I were taken aback, Xiao Po’s transcript clearly written 89 points, how can become 69 points? Looking at Andy’s drooping head and instantly reddened face, we understand at a glance. After the teacher left, my mother took a transcript of the report, “6” added a semi-arc became "mine. Brother