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全等—正方形的旋转
Author:
詹凯
Topic:
Congruence
,
Triangles
GeoGebra
New Resources
球體建築師
三位數除以一位數（二）
找出對稱軸
三位數除以一位數（一）
算柱 (兩位數)
Discover Resources
任務1
菱形
六年級
资料共享每日一题
椭圆规
Discover Topics
Constructions
Statistical Characteristics
Cosine
Unit Circle
Symmetry