奧數題

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布置了這小孩做奧數題，他抄了答案上去，最後壹步為什麽要32+48果然沒有懂。我用橡皮代表隊伍給他講了，又忍不住訓了他壹頓。從前我也常常這樣糊弄，所以奧數學得不好。

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奧數題 | Ecency