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相向而行的兩行進波
Author:
ipc Wang
f(x,t)=sin(3x-2t) g(x,t)=sin(3x+2t)
GeoGebra
New Resources
四邊形的特性
三位數除以一位數（一）
錐體建築師
找出對稱軸
【案例】2018年全国1卷理科12题
Discover Resources
圓周角的度數
龍騰4_1-1習9
小數試用
正方體的反射對稱3
Copy of 圓周公式應用題1
Discover Topics
Circumcircle or Circumscribed Circle
Parametric Curves
Hyperbola
Perimeter
Parabola