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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
畫出對稱圖形
球体的体积推导（优化版）
四邊形的特性
錐體建築師
柱體建築師
Discover Resources
折线逼近 exp(x)
餘弦定理的圖形證明
glt-h02-00-正方形折成三角錐
ABC 1
直线与圆相切
Discover Topics
Subtraction
Geometric Distribution
Special Points
Hyperbola
Functions