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slide8
Author:
tao sun
GeoGebra
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圓的基本性質
常见四边形是否是双心四边形
祖冲之的期望：内棋与外棋
撒针估算面积实验
直線的斜率
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空間三坐標平面101.12.22
類正五邊形摺法
四邊形特性
「相似三角形」任务4的副本
單點透視法
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Fractions
Trapezoid
Linear Functions
Parallelogram
Rectangle