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停車場擋桿
Author:
HSIEH, Li-Yi
GeoGebra
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折扣
盈利與虧蝕
撒针估算面积实验
科赫雪花
常见四边形是否是双心四边形
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最大三角形面積
托勒密定理推廣到任意四邊形一
直线倾斜角与斜率的副本
数学几何
翰林數學_1下_CH2-1_直角坐標平面的認識象限
Discover Topics
Polynomial Functions
Probability
Line Segment
Cosine
Pyramid