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勘根定理
Author:
顏銓志 ycj
GeoGebra
New Resources
近似值：有效數字
【案例】2018年全国1卷理科12题
找出對稱軸
判斷球體
GeoGebra笔记功能体验课件
Discover Resources
Perigal's Dissection
周子翔 畢氏定理--2
Ruler
比較圖形大小3
微信公众号“sx880A8”第253期印度尼西亚国旗（Indonesia flag）
Discover Topics
Geometry
Diagrams
Solids or 3D Shapes
Linear Equations
Vectors 2D (Two-Dimensional)