初中一年级的动点问题比较简单,(1)先分析起点,终点,行程,速度(2)会用未知量表达各个所需量(3)利用方程建立等式(4)一定要注意距离的左右分类讨论
仔细读题,把关键句找出来,写在草稿纸上。
最好用铅笔画图,避免卷子污损导致看不清题,扰乱自己的视线。
——芊
【满意请采纳,谢谢!
【初一数学:令人头疼的数轴动点问题,解题技巧,一招必会】https://m.baidu.com/video/page?pd=video_page&nid=9875875329121661121&sign=3675131275702235023&word=%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E6%95%B0%E8%BD%B4%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%E8%A7%A3%E9%A2%98%E6%80%9D%E8%B7%AF&oword=%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%E6%95%B0%E8%BD%B4%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%E8%A7%A3%E9%A2%98%E6%80%9D%E8%B7%AF&title=%E5%88%9D%E4%B8%80%E6%95%B0%E5%AD%A6%3A%E4%BB%A4%E4%BA%BA%E5%A4%B4%E7%96%BC%E7%9A%84%E6%95%B0%E8%BD%B4%E5%8A%A8%E7%82%B9%E9%97%AE%E9%A2%98%2C%E8%A7%A3%E9%A2%98%E6%8A%80%E5%B7%A7%2C%E4%B8%80%E6%8B%9B%E5%BF%85%E4%BC%9A&atn=index&alr=1&openapi=1&resource_id=5052&frsrcid=4185&cambrian_id=&baijiahao_id=1648361026986642&sp=0&ext=%7B%22src%22%3A%22https%3A%5C%2F%5C%2Fvd3.bdstatic.com%5C%2Fmda-kk4sghmuxu470y9j%5C%2Fmda-kk4sghmuxu470y9j.mp4%3Fplaylist%3D%255B%2522hd%2522%255D%26pd%3D20%26vt%3D1%22%2C%22loc%22%3A%22http%3A%5C%2F%5C%2Fwww.internal.video.baidu.com%5C%2F0e28129b0fcbf0907593761f0ef2fd2d.html%22%2C%22log_loc%22%3A%22https%3A%5C%2F%5C%2Fbaijiahao.baidu.com%5C%2Fs%3Fid%3D1682516625567866800%26wfr%3Dcontent%22%2C¥Z4zbq6faEa%22%3A%22779%22%2C%22poster%22%3A%22http%253A%252F%252Fvdposter.bdstatic.com%252F823b4337aff64f4e88b7c3043ffff686.jpeg%22%2C%22source%22%3A%22%5Cu597d%5Cu770b%5Cu89c6%5Cu9891%22%2C%22s%22%3A%22bffb477c1406152e04290490c6f78cfd%22%2C%22isHttps%22%3A1%2C%22isCompilation%22%3Anull%2C%22jsy%22%3A1%7D&top=%7B%22sfhs%22%3A1%2C%22_hold%22%3A2%7D&videoapp=1&vlib=1&trace=6348726884012304794
首先可以在草稿本上画图 其次在脑海里有个大概思维 注意想的时候不要分心 要全神贯注