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Author:
曾耀輝
GeoGebra
New Resources
盈利與虧蝕
折扣
第八周作业
百分數及其應用
常见四边形是否是双心四边形
Discover Resources
正立方體
Copy of 固定周界的長方形的面積變化
水流問題(黑板)
AirParcel
初中数学
Discover Topics
Pyramid
Trigonometric Functions
Definite Integral
Diagrams
Division