2. 外语
  3. Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the

Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the

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问题 Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the distance between them?
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答案10 meters．
解析 (他们走了两个直角边分别为3和4的直角三角形。两个斜边之和是他们之间的距离。)
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