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作三角形
Author:
龚佳林
已知三边作三角形(SSS)
GeoGebra
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四邉形 (四年級) 教師版
畫出對稱圖形
拼砌四邊形
算柱 (兩位數)
兩組對邊相等的四邊形
Discover Resources
量度活動所用的時間 (時、分)
大圓內的十二個圓
第一冊
rotational symmetry_1
多平面鏡反射成像
Discover Topics
Geometric Distribution
Pie Chart or Circle Chart
Translation
Binomial Distribution
Linear Equations