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jin yue nao gua , zhuan , zhuan , zhuan
Author(s): 
Pages: 16-17
Year: Issue:  4
Journal: Children's World

Abstract: <正> 走一走小明在越野赛中遇到一处迷宫。请问,他如何以最短的距离到达终点,争取夺得冠军?
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