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Properties of parallelogram(平行四邊形的性質)
Author:
chisunch1
GeoGebra
New Resources
美國國旗 (Codex 版)
近似值：有效數字
球體建築師
拼砌四邊形
兩組對邊相等的四邊形
Discover Resources
以剪貼比較圖形大小
減法運算
Angle in alternate segment
線性規劃
手拉手模型
Discover Topics
Arithmetic Operations
Trapezoid
Geometric Distribution
Tangent Function
Binomial Distribution