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Author:
Tse Sir
例子
GeoGebra
New Resources
四邊形的特性
四邉形 (四年級) 教師版
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
Discover Resources
柏拉圖宇宙模型
M05E Rate of Change 2
圓與圓柱
P53_3a
環環相扣
Discover Topics
Isosceles Triangles
Integers
Hypergeometric Distribution
Statistics
Polynomial Functions