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Esquema
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
Autor:
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
Siguiente
Slope of a Line
Nuevos recursos
四邉形 (四年級) 教師版
兩位數除以一位數（二）
判斷球體
画直线等分三角形的面积
四邊形的特性
Descubrir recursos
計算減法
極線對偶定理 / polar duality theorem
圓錐展開圖
固定三角形的條件−題1
三視圖
Descubre temas
Simetría
Diferencia y pendiente
Recta Tangente o Tangente
Triángulos Equiláteros
Probabilidad
