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三角函數的由來
Author:
陳政任
GeoGebra
New Resources
錐體建築師
画直线等分三角形的面积
【案例】圆柱体内放置一个大球六个小球
找出對稱軸
兩位數加法
Discover Resources
圓內接四邊形 ABCD ...，求 sinθ=?
正立方體
reflectional symmetry_4
Copy of 十字交乘法
繡曲線03
Discover Topics
Cube
Cuboid
Algebra
Integral Calculus
Bar Chart or Bar Graph