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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
【案例】圆柱体内放置一个大球六个小球
第八周作业
找出對稱軸
三位數除以一位數（二）
【案例】2018年全国1卷理科12题
Discover Resources
整數或分數÷分數_ 工作紙（一）_題3c
pyuytuytuty
平行四邊形
扇形面積公式1
正弦函数图像的动态绘制
Discover Topics
Mathematics
Tangent Line or Tangent
Straight Lines
Piecewise Functions
Distributions