[請益] 國小數學題 ~ 求平均速率
題目是
有一個人去爬山
只知道上山花了八個小時
下山花了六個小時
問平均速率是多少
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很懷疑題目有沒有問題
因為不知道總距離
那要怎麼求阿 @@
也不知道答案
所以來這邊求助
謝謝
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