Zhang Hua and Li Ming were running along a circle.They started(出发) from the same starting poing(点) but in the opposite directions(相反方向).When they meet again.Zhang Hua had run for 250M but Li Ming only 150M.The two boys ran at the same s
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Zhang Hua and Li Ming were running along a circle.They started(出发) from the same starting poing(点) but in the opposite directions(相反方向).When they meet again.Zhang Hua had run for 250M but Li Ming only 150M.The two boys ran at the same s
Zhang Hua and Li Ming were running along a circle.They started(出发) from the same starting poing(点) but in the opposite directions(相反方向).When they meet again.Zhang Hua had run for 250M but Li Ming only 150M.The two boys ran at the same speed along the circle.When Zhang Hua arrived(到达) at the starting point again.how many meters are left(被剩下) for Li Ming to run to get to the starting point again?
Zhang Hua and Li Ming were running along a circle.They started(出发) from the same starting poing(点) but in the opposite directions(相反方向).When they meet again.Zhang Hua had run for 250M but Li Ming only 150M.The two boys ran at the same s
相同的速度感觉有歧义
如果相遇后张跟李是用一样的速度X跑,那最后剩下的应该是(250-150)=100M
如果相遇后张跟李是用跟原来相同的速度跑,那最后剩下的距离应该是(250-150*150/250)=160M