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翰林數學_2下_CH3-1_多邊形的外角和
Author:
翰林數學
GeoGebra
New Resources
四邊形的特性
兩位數除以一位數（一）
找出對稱軸
近似值：有效數字
錐體建築師
Discover Resources
梯形面積---麥田圈
horizontal
Ruler
Single Line Deflection
Exploration task
Discover Topics
Rational Numbers
Kite
Symmetry
Plane Figures or Shapes
Volume