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認識分數
Author:
tommy.chan
Topic:
Fractions
認識分數
GeoGebra
New Resources
異分母分數減法
四邉形 (四年級) 教師版
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
商高定理4
Plainmeter explained
圓錐曲線Conic
Fractal Spirograph (Fractal Roulette)
圈柱
Copy of 長方形與正方形的面積
藝術之美 (1)
Discover Topics
Symmetry
Constructions
Linear Equations
Cuboid
Equations