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Author:
Antony Chan
Testing 2 (Addition of vectors)
GeoGebra
New Resources
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
判斷球體
Discover Resources
優良作品4(薇如)
音調與空氣柱
向量的伸縮
Sorting Geometric Figures
动态专题—角度旋转
Discover Topics
Vectors
Planes
LCM and GCD
Cone
Piecewise Functions