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Author:
李玲玲
GeoGebra
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撒针估算面积实验
中华人民共和国国旗
第八周作业3
常见四边形是否是双心四边形
第八周作业2
Discover Resources
Roger Test Draw
Quiz on Quadratic Formula 二次公式：測驗
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Sequence指令練習(二維)
S0E03 平面截立方体
Discover Topics
Geometric Distribution
Definite Integral
Rectangle
Vectors 2D (Two-Dimensional)
Surface