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三角函数
Author:
sk829314
GeoGebra
New Resources
錐體建築師
判斷球體
兩組對邊相等和有直角的四邊形
柱體建築師
兩位數除以一位數（二）
Discover Resources
座標
一元二次方程式-應用問題(兩圓相切-2)
六年級
橢圓3--平行四邊形法
含有任意量词与存在量词的最值问题
Discover Topics
Trigonometric Functions
Square
Sphere
Linear Programming or Linear Optimization
Equilateral Triangles