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數值滑桿
Author:
趙緹
GeoGebra
New Resources
四邉形 (四年級) 教師版
畫出對稱圖形
拼砌四邊形
兩位數除以一位數（一）
柱體建築師
Discover Resources
兩數相加
正切與餘切函數
垂線作圖
等比数列前n项和公式
幻彩圆
Discover Topics
Upper and Lower Sum or Riemann Sum
Parallelogram
Polynomial Functions
Logic
Rotation