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P.8.20_1
Author:
Angela Lee
GeoGebra
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近似值：有效數字
兩組對邊相等和有直角的四邊形
四邊形的特性
湖南省张毅郴数字教研工作室 logo
判斷球體
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如何用GGB化簡根式
logx
垂心與垂線
幾何塗色
三角函數的繪圖1
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Perimeter
Exponential Functions
Parallelogram
Numbers
Logarithm