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不規則鑲嵌無背景 楊靜宜
Author:
楊靜宜
GeoGebra
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四邉形 (四年級) 教師版
兩位數加法
【案例】圆柱体内放置一个大球六个小球
画直线等分三角形的面积
算柱 (兩位數)
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能量守恆
Quiz on Naming of Congruent & Similar Triangles 全等及相似三角形的命名：測驗
ie 6
test
P.5 面積問題02
Discover Topics
Set Theory
Pie Chart or Circle Chart
Unit Circle
Addition
Fractal Geometry