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1115-2
Author:
chen mingchuan
GeoGebra
New Resources
異分母分數減法
四邊形的特性
四邉形 (四年級) 教師版
錐體建築師
兩位數除以一位數(一)
Discover Resources
固定周界長方形的面積變化(二)
拼貼動畫
正弦余弦刻度尺
Copy of 分數與小數
題6
Discover Topics
Trapezium
Differential Calculus
Mode
Ellipse
Circumcircle or Circumscribed Circle