这是在优酷网上找到的一段关于“数图形”的奥数教学视频，由张玉兰老师主讲，视频时间约分50分钟，较为系统地介绍了中年级段“数图形’问题的特点、规律及解题思路，是非常好的自学奥数的视频教材。

推荐阅读：
How to Maximize Profit From Your Blog Visitors　 Win a Premium WordPress Theme For Your Blog　 Easy Tips for Bloggers to Make Insta-Dough on Instagram　 “Celebrating” World Backup Day 2016　 How the Right Visual Can Transform Any Landing Page　 Lessons From Star Wars: How The Force Awakens Impacted the Inter　 3 Tips Guaranteed to Get You More Readers　 How to Build Instant Forms with CaptainForm for WordPress　 How to Write Shareable Tech Reviews　 Crowdfunding and Blogging: The Perfect Marriage