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翰林數學_2下_CH3-1_三角形的外角定理
Author:
翰林數學
GeoGebra
New Resources
拼砌四邊形
第八周作业
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
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triangle
test02繪本用
Li Shan Lan Cone Pi
圖形周界_H
连杆
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Rotation
Logarithm
Volume
Set Theory
Quadratic Functions