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題七
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
GeoGebra
New Resources
兩位數除以一位數（一）
算柱 (兩位數)
【案例】2018年全国1卷理科12题
畫出對稱圖形
四邉形 (四年級) 教師版
Discover Resources
垂直平分線
二元一次方程式 1
hw02
國旗
两角差的正切公式的证明
Discover Topics
Similar Triangles
Surface
Solids or 3D Shapes
Sphere
Vectors