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定周长的正多边形面积变化规律
Author:
张英华
Topic:
Area
GeoGebra
New Resources
拼砌四邊形
GeoGebra笔记功能体验课件
算柱 (兩位數)
兩位數除以一位數（二）
錐體建築師
Discover Resources
中考压轴题大放送之一
Taiwan's Population And Verhulst Model
平行線 (同位角 - 位置)
reflectional symmetry_2
圆周长演示
Discover Topics
Differential Equation
Linear Functions
Parallelogram
Sequences and Series
Logic