My dad is a great mathematician, what questions are difficult to fail him, of course, everybody knows him. High bridge of the nose, with a black frame glasses, a look, and I knew he is a doctor. Today, he is a face of serious drop packing, he have what important thing? Find out just know, he was to go to see the teacher. I doubt asked my father: "what do you have a teacher?" Dad is patted me on the map, said: "these are the secret," "I asked dad took me to meet his teacher, father to consider for a moment, said:" ok." But you want to quietly, not nonsense... I promise all his request, we hit the road.

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I thought that he would take me to which universities, however, we came to what I study in primary school and came to the class I attended a (3), at this moment, I finally met my dad's teacher, the teacher is my math teacher, is my dad once the teacher. Teacher patted my dad's shoulders, and said: "you over the years, achievements in mathematics is really great, we all are proud of you!" Father is modestly said: "I want to thank the teacher you, are you people I learned more knowledge."

At this moment, I realized, dad is a mathematician, but he also had a grade teacher.

我的爸爸是位大数学家，什么题都难不倒他，当然，谁都认识他。高高的鼻梁上，架着一个黑框眼镜，一看，就知道他是一个博士。今天，他一脸严肃滴收拾东西，他有什么重要的事?一打听才知道，他原来是要去看望老师。我疑惑地问爸爸：“您怎么还有老师?”爸爸则拍拍我的图，说：“这些都是秘密》”我请求爸爸带我去见见他的老师，爸爸考虑了片刻，说到：“那好吧。”不过你要安安静静的，不能胡闹……我答应了他所有的要求，我们便上路了。

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我本以为他会带我去哪个大学里，可是，我们居然来到了我所就读的小学并来到了我曾上过的一(3)班，这时，我终于见到了爸爸的老师，这个老师竟然是我的数学老师，也是爸爸曾经的老师。老师拍拍爸爸的肩膀，说：“你这些年，在数学是上成就确实很大，我们全校都以你为荣!”爸爸却谦虚地说：“我要感谢老师您，是您人我懂得了更多的知识。”

这时，我才明白，爸爸虽然是数学家，可是他也有一年级的老师。