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waaachen
Author:
陳兪宏
吳孟哲老師幾何題
GeoGebra
New Resources
球體建築師
兩位數加法
畫出對稱圖形
第八周作业
【案例】圆柱体内放置一个大球六个小球
Discover Resources
廣義角的代換(180度加減角度)
proof92吳冠穎
圓環
微信公众号“sx880A8”第253期印度尼西亚国旗（Indonesia flag）
"拈" 類遊戲之一-搶21遊戲 The 21 game
Discover Topics
Planes
Incircle or Inscribed Circle
Square
Subtraction
Mode