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变化的平行四边形
Author:
孙逸旻
Topic:
Parallelogram
GeoGebra
New Resources
四邊形的特性
【案例】2013年安徽高考15题
直角坐標平面上的旋轉變換
小数 的副本
三位數除以一位數（一）
Discover Resources
Translation, Reflection and Rotation
五角星动画
平行四邊形面積
Distance(距離公式)
老師講解6
Discover Topics
Differential Calculus
Statistics
Continuity
Linear Programming or Linear Optimization
Cuboid