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反射對稱
Author:
Wong Chun Ying
Topic:
Symmetry
GeoGebra
New Resources
判斷球體
畫出對稱圖形
三位數除以一位數(二)
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
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百分數(小學):折扣 / 賺賠(Java 版)
lab5_task1
Opp angles cyclic quad
禪繞畫
ckt-任意角
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Terms
Triangles
Secant Line or Secant
Linear Programming or Linear Optimization
Geometric Transformations