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画正弦
Author:
李玲玲
GeoGebra
New Resources
画直线等分三角形的面积
拼砌四邊形
異分母分數減法
四邉形 (四年級) 教師版
找出對稱軸
Discover Resources
線性規劃
求一數佔全部的幾分之幾？
阿波羅圓
Copy of 分數與小數
描点法画函数图像
Discover Topics
Scalene Triangles
Percentages
Arithmetic Mean
Rectangle
Fractions