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Quiz on Conditions for Congruence of Triangles 全等三角形的判定條件：測驗
Author:
Alex CHIK
試為以下兩個全等三角形配對正確的名稱，並選出全等的理由。留意兩個三角形可供平移。
gMath 互動數學教室
http://www.geogebra.hk
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