一道英语奥数题:The distance between A and B is 10km .A ship sails f
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一道英语奥数题:The distance between A and B is 10km .A ship sails from A to B,
then B to A at once .The total time is 3hours .WE know the distance in its first hour is 8km is more than that in its third hour .So the water speed is _________?
then B to A at once .The total time is 3hours .WE know the distance in its first hour is 8km is more than that in its third hour .So the water speed is _________?
A和B之间的距离为10千米,一艘船从A港驶向B港,然后立即掉头从B港返回A港,总共用时3小时,第一个小时行驶的距离比第三个小时行驶的距离多8千米,请问:水流速度是多少?
给分吧.
再问: 请列出解题过程可以吗?
再答: 这个。。。最头疼数学了。尤其像什么计算路程啦、浓度啦、牛吃草问题啦、青蛙跳井问题啦,我滴神呐,我情愿多翻译一些题目。。
给分吧.
再问: 请列出解题过程可以吗?
再答: 这个。。。最头疼数学了。尤其像什么计算路程啦、浓度啦、牛吃草问题啦、青蛙跳井问题啦,我滴神呐,我情愿多翻译一些题目。。
一道英语奥数题:The distance between A and B is 10km .A ship sails f
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