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相似三角形
Author:
gklwong
Topic:
Similar Triangles
相似三角形
GeoGebra
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異分母分數減法
算柱 (兩位數)
判斷球體
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
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方格紙上畫梯形2
三角形面積
lab5_task3
ghk99a29 扇形旋轉
認識半徑
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Equations
Mode
Geometric Distribution
Means
Optimization Problems