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讚2
Author:
a0915950717
讚讚2
GeoGebra
讚讚2
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兩位數除以一位數(二)
兩組對邊相等的四邊形
画直线等分三角形的面积
三位數除以一位數(一)
GeoGebra笔记功能体验课件
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正餘弦函數的疊合之二102.11.29
垂心即內心
雪花(碎形)
證平行四邊形 (對角相等)
約分BB
Discover Topics
Random Variables
Indefinite Integral
Difference and Slope
Straight Lines
Cosine