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平行四邊形面積(2)
Author:
官長壽(longlife)
GeoGebra
New Resources
柱體建築師
【案例】2013年安徽高考15题
【案例】2018年全国1卷理科12题
拼砌四邊形
三位數除以一位數（二）
Discover Resources
Football Puzzle - 直線盤球
Shoplifting and theft histogram
魔术师的地毯
cos, sin 與單位圓的副本
探索到两定点的距离之积为定值的点的轨迹
Discover Topics
Right Triangles
Parabola
Rational Numbers
Scalene Triangles
Normal Distribution