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梅花
Author:
呂麗珠
GeoGebra
New Resources
画直线等分三角形的面积
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
第八周作业
Discover Resources
Area of square
畫鐘面
Rotational Symmetry - Tetrahedron
三視圖學生互動版
用GGB做遊戲 Math Games By GGB
Discover Topics
Quadrilaterals
Geometric Distribution
Surface
Upper and Lower Sum or Riemann Sum
Conic Sections