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大邊對大角
Author:
tan90t
GeoGebra
New Resources
兩位數加法
異分母分數減法
三位數除以一位數(二)
柱體建築師
【案例】2018年全国1卷理科12题
Discover Resources
多邊形與圓_2
串珠(大小不同)
同位角---不平行綫
包含除法(1 ÷分數)的副本
动态平衡
Discover Topics
Similar Triangles
Addition
Similarity Transformation or Similarity
Secant Line or Secant
Congruence