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GeoGebra
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Opsummering
相似形應用_進階_Collection
Slope of a Line
perpendicular lines
distance between point-line
Proof without words: Cosine Rule (餘弦公式)
areas of similar triangles
Similar Triangles, exercise 1
垂線斜率_1
相似形應用_進階_Collection
Forfatter
Reinhold Yen
Slope of a Line
perpendicular lines
distance between point-line
Proof without words: Cosine Rule (餘弦公式)
areas of similar triangles
Similar Triangles, exercise 1
垂線斜率_1
Næste
Slope of a Line
Nye Materialer
【案例】圆柱体内放置一个大球六个小球
兩位數加法
球體建築師
四邉形 (四年級) 教師版
三位數除以一位數（一）
Opdag Ressourcer
平面向量
梭哈的機率
商高定理\水
Copy of 球面
活工(二)Q2
Udforsk emner
Cosinus
Parabler
Omkreds
Parallelforskydning
Tangentlinje eller Tangent
