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GeoGebra CAS Calculator for Classes
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GeoGebra
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中华人民共和国国旗
直線的斜率：水平變化 & 鉛垂變化
比較五件物件的重量
正方形雪花图案
第八周作业1
Discover Resources
以量角器量度角
題 9
動態角=30
題三
疊代四邊形
Discover Topics
Cosine
Trigonometry
Rectangle
Parallelogram
Pythagoras or Pythagorean Theorem