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Percentage
Author:
harryau
Explain the usage of percentage
GeoGebra
New Resources
球体的体积推导
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
判斷球體
Discover Resources
Prism and Cylinder
四角柱算體積(可以切開)
平面向量的三點共線定理
學習活動六線性規劃
一筆畫圖形
Discover Topics
Angles
Perimeter
Equations
Tree Diagrams
Trigonometric Functions