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变化的平行四边形
Author:
孙逸旻
Topic:
Parallelogram
GeoGebra
New Resources
兩位數加法
異分母分數減法
拼砌四邊形
三位數除以一位數（一）
柱體建築師
Discover Resources
挑战中考压轴题
mario coin
拋物線：切線與弦中點
Multiplication of Directed Numbers
碎形六邊形的副本
Discover Topics
Hyperbola
Quadrilaterals
Geometric Transformations
Integers
Complex Numbers