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GeoGebra
GeoGebra Classroom
Outline
Testing
Problem 1
Animated Twitter Bird
Testing
Author:
Healey Lee
Problem 1
Animated Twitter Bird
Next
Problem 1
New Resources
画直线等分三角形的面积
第八周作业
兩組對邊相等的四邊形
找出對稱軸
畫出對稱圖形
Discover Resources
角平分線性質
七巧板（tangram）的副本
EnergyMath 2-3 棣美弗定理的副本
展開圓面積 (講義版)的副本
斜率乘积为定值（椭圆、双曲线）
Discover Topics
Line Segment
Subtraction
Ratios
Statistics
Rectangle
