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在1997年7月1日即将来临之际，宝岛香港将要回归祖国之时，列举几道和1997这个数值有关的趣题，以表欢庆之情．1．迎香港回归的队伍长1997米，出发时一联络员从排尾追至排头，又立即返回排尾，这时队伍已前进了1997米，求联络员共走了多少米？解设联络员的速度为v1，队伍前进的
At the dawn of July 1, 1997, when Hong Kong is about to return to the motherland, Baodao Hong Kong will list several interesting questions related to the 1997 value to celebrate the occasion. 1. The leader of the team returning to Hong Kong was 1997 meters. At the departure time, a liaison officer went from the end of the queue to the top, and immediately returned to the end of the queue. At this time, the team had moved ahead with 1997 meters. How many meters were the liaisons required to walk? Settlement liaison speed v1, the team advances