The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f

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The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f
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The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f
The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the first time at 800 meters away from B.How far are the bots from A when they meet for the second time?翻译并解答,事后必有重谢!

The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f
两个男孩,Dudi和Gani,在A和B两点之间以不变的速度来回奔跑.Dudi的速度是Gani的1.5倍.Dudi从A点出发往B点跑,Gani从B点出发往A点跑.两人同时起跑.两人第一次相遇是在离B点800米处.问题：当他们第二次相遇时,他们离A点的距离是多少?
两人第一次相遇时距B点800米,也就是说Gani跑了800米,又因为Dudi的速度是Gani的1.5倍,所以这时Dudi跑了800*1.5=1200米,即两人第一次相遇的地方距A点1200米,也就是说A、B两点相距800+1200=2000米
从第一次相遇到第二次相遇,两人加起来总共要跑的长度是A、B两点距离的2倍,即4000米.又因为Dudi速度是Gani的1.5倍,所以Dudi要跑的长度也是Gani的1.5倍,即Dudi要跑2400米,Gani要跑1600米.
现在我们看看Gani的1600米是怎么跑的.首先他要从两人第一次相遇的地方继续向A点跑,然后从A点折回向B点跑.因为两人第一次相遇的地方距离A点1200米,所以两人第二次相遇的地方距离A点1600-1200=400米.
答案是400米

The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f Two boys,Dudi and Gani ,run back and forth between two points A and B at a constant speed .Two boys,Dudi and Gani ,run back and forth between two points A and B at a constant speed without stopping.Dudi's speed is 1.5 times Gani's speed.Dudi runs fro The Boys and Girls 歌词 Rearrange the boys and girls的意思 填空 the boys and girls .playing.填空 the boys and girls .playing. The boys and the grils often play the football.改正 The boys and girls eat in the schoolThe boys and girls eat ( 选择well good fun nice ) in the school four boys behind one boy and are boy in the middle .how many boys? four boys behind one boy and are boy in the middle .how many boys? Boys and girls enjoye themselves on the school Please don't k_____ on the desk,boys and girls. Look Some boys and girls are running on the . the girls and boys are all chinese.有错误吗 All the boys and girls should behave _____(polite) the group ()()()() 由.组成10 girls and 12 boys Take turns __ the classroom,boys and girls.(clean) The boys played ,and they lost their keys(care). 提问 the man and the boy are drinking water如果是boys.应改成 the man and boys还是these boys?