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龍騰4_1-1課隨2
Author:
廖傑成
GeoGebra
New Resources
算柱 (兩位數)
錐體建築師
兩組對邊相等和有直角的四邊形
拼砌四邊形
畫出對稱圖形
Discover Resources
生活中的平面圖形關係─相似
閱讀月曆（綜合版）
仙后座找北極星1
圓形移動面積
cube(方块堆叠)
Discover Topics
Perimeter
Subtraction
Tree Diagrams
Prism
Linear Functions