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鉛筆畫圓
Author:
Ching-Hui Chou
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
畫出對稱圖形
錐體建築師
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
任務4
反正切函數
三角形
垂心與垂線
可拖动A、B 改变形状
Discover Topics
Function Graph
Upper and Lower Sum or Riemann Sum
Prism
Mode
Trapezoid