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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
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異分母分數減法
拼砌四邊形
錐體建築師
兩組對邊相等的四邊形
找出對稱軸
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njutfhgietu8mhyutm,huie
單相感應電動機原理
優良作品2
線性規劃
四邊形的特性
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Distributions
Hyperbola
Matrices
Derivative
Straight Lines