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優良作品1(力嘉)
Author:
Ching-Hui Chou
GeoGebra
New Resources
柱體建築師
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
四邉形 (四年級) 教師版
三位數除以一位數（一）
Discover Resources
正方體及正四面體的對稱性質
塗鴉
Geometric Circle
Tool3P4P之二
以多維度解釋標準差
Discover Topics
Upper and Lower Sum or Riemann Sum
Mathematics
Inequalities
Integers
Sequences and Series