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slide21
Author:
tao sun
GeoGebra
New Resources
兩組對邊相等的四邊形
畫出對稱圖形
拼砌四邊形
異分母分數減法
兩位數加法
Discover Resources
QP3.18
Spherical Spiral
勒洛三角形外擺線動態作圖
信心水準與信賴區間的副本
繪畫平行四邊形
Discover Topics
Binomial Distribution
Cosine
Fractal Geometry
Area
Solids or 3D Shapes