[請益] 南一版小六數學速率
題目如下~
(1)甲貨車長16公尺,乙聯結車長24公尺,若兩車相向而行,從相會到分離需0.8秒,
若兩車同向而行,從甲貨車追上乙聯結車到完全分離要2秒,請問乙聯結車的時速幾公里?
(2)小明走一段山路,上山和下山共需要8小時,如果上山每小時走3KM,
下山每小時可走5KM,請問這一段山路長多少公里?
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