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繪製平行四邊形
Author:
曾耀輝
GeoGebra
New Resources
兩組對邊相等的四邊形
異分母分數減法
錐體建築師
兩位數除以一位數（二）
找出對稱軸
Discover Resources
加法運算
gitfh 複合圖形-正四角柱中挖圓柱
Crayon shin-chan, Episode 1232, Cut
平方求和V 庄皮春 (Pi-Chun Chuang)
探究平行四邊形面積
Discover Topics
Histogram
Plane Figures or Shapes
Conditional Probability
Trigonometry
Tangent Line or Tangent