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quadrilaterals 4
Author:
iedc
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數除以一位數(一)
画直线等分三角形的面积
判斷球體
球體建築師
Discover Resources
圓錐的曲面面積
正多角柱(簡易)
三角形的三角和及外心、內心圓
平移法(一)
gjc91v127 三角形旋轉
Discover Topics
Arithmetic Operations
Limits
Solids or 3D Shapes
Means
Sine