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製作梯形1 Making trapezium 1
Author:
周錦鋒
GeoGebra
New Resources
錐體建築師
算柱 (兩位數)
兩位數除以一位數（二）
四邉形 (四年級) 教師版
拼砌四邊形
Discover Resources
Apollonius Problem gergonne 1
旋轉方塊
四邊形的邊長與限制
分步骤展示作图过程样例
圆面积的推导-开普勒法
Discover Topics
Rhombus
Parametric Curves
Cosine
Parabola
Difference and Slope