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優良作品4(楚耘)
Author:
Ching-Hui Chou
GeoGebra
New Resources
折扣
撒针估算面积实验
常见四边形是否是双心四边形
斜率的值
三角函数 的副本
Discover Resources
分數除法 1：a ÷ b（均分）
Decimal
gjh-g06-00 乘法公式綜合應用
n次方根的大小
P6 圓周02D
Discover Topics
Triangles
Right Triangles
Reflection
Vectors 2D (Two-Dimensional)
Unit Circle