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四塊面積
Author:
purespirit0301
GeoGebra
New Resources
兩位數加法
畫出對稱圖形
画直线等分三角形的面积
兩位數除以一位數（二）
四邊形的特性
Discover Resources
Add and subtract 2
Direct Variation
量詞
Physics
Copia de Fractal Spirograph (Fractal Roulette)
Discover Topics
Fractions
Rectangle
Cuboid
Dilation
Function Graph