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smps perimeter
Author:
Tam Ho Yin
GeoGebra
New Resources
畫出對稱圖形
球體建築師
四邉形 (四年級) 教師版
兩位數加法
兩位數除以一位數（一）
Discover Resources
平面
雙曲柄
课题
垂心與垂線
工具：DimensionArrows
Discover Topics
Real Numbers
Hyperbola
Rectangle
Surface
Median Value