file:9-2点与圆的位置关系.wmv.wmv file:8-2圆的基本性质(下).wmv.wmv file:c3-ma-11-s-10-cl.pdf file:4-1相似三角形.wmv.wmv file:10-2中考热点之方案设计型.wmv.wmv file:07-1压轴题精讲(一).wmv.wmv file:06-2图形的认识——圆.wmv.wmv