物理平均速度的算法 - 汽車

By Cara
at 2013-10-15T00:00
at 2013-10-15T00:00
Table of Contents
車子先向北走2km,再向東走4km,再向南走9km,跟著向西行走12km,然後向北走3km,則車子平均速度的大小為多少km/h?
Tags:
汽車
All Comments

By Odelette
at 2013-10-15T13:16
at 2013-10-15T13:16

By George
at 2013-10-20T00:19
at 2013-10-20T00:19

By Barb Cronin
at 2013-10-20T05:58
at 2013-10-20T05:58

By George
at 2013-10-22T15:29
at 2013-10-22T15:29

By Tom
at 2013-10-23T02:00
at 2013-10-23T02:00