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机电2班傅怀恩
Author:
wjq
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
直角坐標平面上的旋轉變換
找出對稱軸
三位數除以一位數（二）
Discover Resources
三角函數with sine, cosine圖形
七巧板奔人
http://www.qsir.org/?p=8853
任兩正方形重組成一大正方形partII
學測指考
Discover Topics
Sphere
Limits
Arithmetic Operations
Inequalities
Combinatorics