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「相似三角形」任务1的副本
Author:
地心引力
,
gklwong
Topic:
Similar Triangles
任务1
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（一）
球體建築師
第八周作业
畫出對稱圖形
Discover Resources
大樂透開獎機(由小號到大號)
平行四邊形
congruent triangles
長方形
兩組對邊相等的四邊形
Discover Topics
Arithmetic
Tangent Function
Translation
Sequences and Series
Trapezoid