去时公交车车速为48千米/时 甲站与乙站相距多少千米?乙站与丙站相距多少千米? 返回时公交车每时行多少千
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去时公交车车速为48千米/时甲站与乙站相距多少千米?乙站与丙站相距多少千米?返回时公交车每时行多少千去时公交车车速为48千米/时甲站与乙站相距多少千米?乙站与丙站相距多少千米?返回时公交车每时行多少千
去时公交车车速为48千米/时 甲站与乙站相距多少千米?乙站与丙站相距多少千米? 返回时公交车每时行多少千
去时公交车车速为48千米/时 甲站与乙站相距多少千米?乙站与丙站相距多少千米? 返回时公交车每时行多少千
去时公交车车速为48千米/时 甲站与乙站相距多少千米?乙站与丙站相距多少千米? 返回时公交车每时行多少千
甲站与乙站距离为48*4/60=3.2千米,乙站与丙站相距3.2/4*5=4千米,返回时公交车速度为7.2/6*60=72千米/时