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Projection
Author:
Jia-ming Shiu
Projection
GeoGebra
New Resources
兩組對邊相等的四邊形
錐體建築師
直角坐標平面上的旋轉變換
兩位數除以一位數（二）
畫出對稱圖形
Discover Resources
拋物線(開口向上)
zuiduan
試繪
khkhk
Copy of mearm機械手臂模擬
Discover Topics
Symmetry
Hypothesis Testing
Histogram
Congruence
Optimization Problems