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ChinA_construction
作者：
20china@psbma.org
GeoGebra
最新資源
Tangent Vector (2)
Slope Between 2 Points (Phase 2)
Parallelogram Linkage
bewijs stelling van Pythagoras
Combining Random Variables
探索資源
equipment to check the laws of dynamics
fibonacci-spirale
Transformation (x,-y)
Bearings Map of Europe
doraemon minimize
探索主題
平行四邊形
統計
最小公倍數與最大公因數
圓
錐體