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扇形動畫
Author:
紀老師
GeoGebra
New Resources
兩位數除以一位數（一）
圓周公式的應用
斜率的值
圓的切線方程
讀磅
Discover Resources
z=x^2-y^2
Right Triangles in a Circle 圓內的直角三角形
固定周界的長方形面積變化
小數
二元线性规划的图解法(练习1)
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Tree Diagrams
Similar Triangles
Interest Calculation
Tangent Function
Polynomial Functions