填空题 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?
【正确答案】
【答案解析】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。