客车和火车同时从甲、乙两站相向而行,客车10小时行完全程,货车15小时行完全程.相遇时,(下面)
(接上面)客车比货车多行48千米,两站相距多少千米?
(最好用算式解答,并且把每步的意思说清楚点,最好不要方程,看不懂.)
人气:423 ℃ 时间:2019-08-20 14:24:02
解答
客车与货车完成全程时间之比为2:3,则速度之比为3:2.
同样时间行驶距离之比为3:2
相遇时,时间相同,则行驶距离为3L和2L,
距离之差为48千米,则L=48
总距离为5L=240
即两站相距240千米
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