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圆锥的侧面展开图3D动画的副本
Author:
liuyanbo
,
qianqianhouhou
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GeoGebra
New Resources
画直线等分三角形的面积
找出對稱軸
兩組對邊相等和有直角的四邊形
錐體建築師
兩組對邊相等的四邊形
Discover Resources
輪盤輪盤
Primary School Mathematics Collection
gjh-g04-01 差的平方公式
均分除法（分數÷整數）
假分數轉為帶分數
Discover Topics
Curve Sketching
Parabola
Tangent Function
Geometry
Exponent