2. 外语
  3. An intrepid Eskimo leaves his igloo and travels 12 kilometers north, 12 kilometers east and 12 kilometers north again to reach t

An intrepid Eskimo leaves his igloo and travels 12 kilometers north, 12 kilometers east and 12 kilometers north again to reach t

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问题 An intrepid Eskimo leaves his igloo and travels 12 kilometers north, 12 kilometers east and 12 kilometers north again to reach the North Pole.
How many kilometers does he have to travel to return to his igloo in a straight line?
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答案24
解析 对于站在北极点的爱斯基摩人来说，任何一个方向都是南边。如果要沿直线返回他的冰屋(igloo)的话，他在来时往北走了多远，他就需要往南走多远。
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