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立刻In Reply To:对题目的理解有个问题，哪位帮我解释一下 Posted by:knuthocean at 2005-03-04 15:41:54 > 如果在途中t=4.5s时刻有一速度更快的人追上，那应该是t=4.5s立刻追上去还是要算成t=5的时候才追上去呀？ Followed by: Post your reply here: |
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