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fabunaci1060323
Author:
陳正鴻
GeoGebra
New Resources
第八周作业
畫出對稱圖形
四邉形 (四年級) 教師版
長方體平面投影 (Codex版)
算柱 (兩位數)
Discover Resources
Angles at the same segment
角平分線
假分數轉為帶分數
歐幾米德多面體（四邊形與六邊形－進階版）
两角差的正切公式的证明
Discover Topics
Subtraction
Hypergeometric Distribution
Arithmetic Mean
Quadratic Equations
Complex Numbers