動手玩數學(GeoGebra互動應用) .[性質]: 互動式數學 .[主題]: 兩圓的位置關係 .[對象]: 高二學生(B3.2-3) .[互動 ]: 按我按我! .[更多]: http://itmathman.blogspot.tw/ It's Fun. It's Math. (GeoGebra Interactive) .[What ]: GeoGebra Application ( Interactive ) .[About ]: The positional relationship between the two circles. .[Subject ]: Grade 11 (High School Math) .[Interactive ]: ClickMe! .[More ]: http://itmathman.blogspot.tw/ 2012-1-6 updated