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变化的平行四边形
Author:
孙逸旻
Topic:
Parallelogram
GeoGebra
New Resources
四邊形的特性
sanjiaohanshu
算柱 (兩位數)
直角坐標平面上的旋轉變換
找出對稱軸
Discover Resources
均分除法（整數÷整數）
重複排列
glt-h02-07 直角三角柱柱展開
錯角---垂直平行綫
PROBLEM SOLVING(COLOUR)
Discover Topics
Optimization Problems
Perimeter
Arithmetic Operations
Angles
Conditional Probability