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这道题求的不是高度差,而是滑雪经过的路径的长度,请仔细看清题意。In Reply To:求助:样本中为什么不是24而是25? Posted by:hangsailor at 2006-11-10 13:23:19 > 我得到的结果是24,为什么会得出25?从25到1,高度差不是24吗?为什么会是25呢?怎么得来的,请指教 Followed by:
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