轉動的車輪 - 拼圖

By Barb Cronin
at 2010-03-31T11:53
at 2010-03-31T11:53
Table of Contents
※ 引述《puzzlez (帕索)》之銘言:
: 標題: [問題] 轉動的車輪
: 時間: Wed Mar 31 09:14:12 2010
:
: 卸貨卡車和小型自用車,都以時速八十公里,在高速公路上奔馳著。
:
: 卸貨卡車的輪子直徑,是自用車的3倍。
:
: 請問,如果兩輛車的速度都相同,那麼車輪轉動一圈的時間,是卸貨卡車所需的多?
: 還是小型自用車所需的多?
:
: --
: 標題: [問題] 轉動的車輪
: 時間: Wed Mar 31 09:14:12 2010
:
: 卸貨卡車和小型自用車,都以時速八十公里,在高速公路上奔馳著。
:
: 卸貨卡車的輪子直徑,是自用車的3倍。
:
: 請問,如果兩輛車的速度都相同,那麼車輪轉動一圈的時間,是卸貨卡車所需的多?
: 還是小型自用車所需的多?
:
: --
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