tag:blogger.com,1999:blog-5940948145610789508.post8821643716863597451..comments2010-07-05T05:10:45.454-07:00Comments on sangsai.forever: นิยามของความเร็วและความเร่งSangsai.Foreverhttp://www.blogger.com/profile/07965951120671791721noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5940948145610789508.post-55328948371205987352010-07-05T05:10:45.454-07:002010-07-05T05:10:45.454-07:00ผ่านผ่านครูเอฟhttps://www.blogger.com/profile/05240267795970357705noreply@blogger.com