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相似三角形例題
Author:
chiway
Topic:
Similar Triangles
GeoGebra
New Resources
畫出對稱圖形
算柱 (兩位數)
判斷球體
拼砌四邊形
三位數除以一位數（二）
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Basketball
與三個半圓相切的圓不規則區域著色
給三角形, 求以三頂點為圓心, 作三個外切圓
原子模型
椭圆的定义
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Distributions
Secant Line or Secant
Cosine
Exponent
Optimization Problems