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九上1-2平行四邊形證明題0929
Author:
Lin Ching Chieh
GeoGebra
New Resources
兩位數除以一位數（二）
四邉形 (四年級) 教師版
判斷球體
三位數除以一位數（一）
算柱 (兩位數)
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柏拉圖宇宙模型
Copy of 3S2 01a 平行四邊形 20151207
gjc091b18 圓的割線
弧長與圓心角成比例
範例：丟骰子的副本
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Arithmetic
Sequences and Series
Square
Conic Sections
Arithmetic Operations