ile:6-1解直角三角形的应用.wmv.wmv file:4-2二次函数.wmv.wmv file:04-1图形的认识——三角形、四边形.wmv.wmv file:07-1压轴题精讲（一）.wmv.wmv file:c3-ma-11-c-05-cl.pdf file:09-2中考热点之猜想、探索规律型.wmv.wmv file:5-2图形的平移与旋转（上）.wmv.wmv file:3-1一元二次方程的根的判别式.wmv.wmv file:2-1列分式方程或一元二次方程解应用题.wmv.wmv