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三角形
Author:
鄭雅輿
Topic:
Triangles
GeoGebra
New Resources
画直线等分三角形的面积
異分母分數減法
算柱 (兩位數)
錐體建築師
兩組對邊相等的四邊形
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Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角：証明
Basketball
分段函数
椭圆与圆的关系的副本
翰林數學_2下_CH3-1_三角形的外角定理
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Frequency Distribution
Trapezoid
Arithmetic Mean
Mode
Volume