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行進波
Author:
ipc Wang
y=sin(3x-2t)
GeoGebra
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GeoGebra笔记功能体验课件
四邊形的特性
第八周作业
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
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五星形的頂角
Angle between Plane and Plane
三角形內角和_2
课前热身
F1_Ch11.4_判定相似三角形
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Matrices
Logic
Power Functions
Exponential Functions
Surface