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類正五邊形摺法
Author:
連琨銘
GeoGebra
New Resources
算柱 (兩位數)
找出對稱軸
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
有趣的切圓
parallelogram
area
Comparing_fraction
平行線(方格版)
Discover Topics
Straight Lines
Interest Calculation
Sequences and Series
Congruence
Parabola