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TRIANGLE
Author:
Tina Lin
GeoGebra
New Resources
兩位數加法
第八周作业
畫出對稱圖形
兩位數除以一位數（一）
錐體建築師
Discover Resources
數字棋盤
笛卡兒心臟線
觀察圖中有哪些角會相等
生活中的平面圖形關係─垂直
Bar Chart and Pie Chart(棒形圖及圓形圖)
Discover Topics
Vectors
Confidence Interval
Quadrilaterals
Hyperbola
Arithmetic