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三角函數的週期變化
Author:
luke huang
GeoGebra
New Resources
球体的体积推导
拼砌四邊形
柱體建築師
兩位數除以一位數（一）
球體建築師
Discover Resources
兩正弦波的合成波
切割任意四邊形再拼砌成矩形
平行四邊形柱展開
一次函數
作三角形
Discover Topics
Hypothesis Testing
Algebra
Division
Geometric Transformations
Function Graph