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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
第八周作业
拼砌四邊形
錐體建築師
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
Discover Resources
testing
加法(粒條)
Ex5C#10
圆锥的侧面展开图3D动画的副本
任意四边形各边中点的连线必构成平行四边形.许兴华数学
Discover Topics
Square
Standard Deviation
Multiplication
Complex Numbers
Percentages