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學習單：三角形面積
Author:
Tsai, Dung Jung
,
harryau
GeoGebra
New Resources
圓的切線方程
兩位數除以一位數（二）
多邊形的面積
祖冲之的期望：内棋与外棋
第八周作业
Discover Resources
小數
YIPPUIMEIgeogebra
加法(粒條)
繡曲線01
限制範圍
Discover Topics
Linear Equations
Pyramid
Cuboid
Rotation
Congruence