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相似三角形例題
Author:
chiway
Topic:
Similar Triangles
GeoGebra
New Resources
異分母分數減法
兩組對邊相等和有直角的四邊形
畫出對稱圖形
第八周作业
【案例】圆柱体内放置一个大球六个小球
Discover Resources
閱讀鐘面及數字鐘（時和分）
Angle of Elevation & Angle of Depression 仰角和俯角
巴拉拉能量3.0
題一
橢圓3-平行四邊形法
Discover Topics
Sine
Geometric Transformations
Pie Chart or Circle Chart
Curve Sketching
Arithmetic Operations