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三角函数
Author:
jason ni
Topic:
Trigonometric Functions
,
Trigonometry
GeoGebra
New Resources
錐體建築師
兩組對邊相等的四邊形
拼砌四邊形
三位數除以一位數（二）
四邊形的特性
Discover Resources
testing
複合形體的表面積(凸形)
直線與圓(直線方程式圖形特性3)
Angles in pyramid
同心圓
Discover Topics
Percentages
Arithmetic Mean
Quadrilaterals
Straight Lines
Function Graph