2019春七年级数学下册第四章《三角形》4.3探索三角形全等的条件第1课时“SSS”判定三角形全等习题课件(新版)北师大版.ppt

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第四章 三角形 4.3 探索三角形全等的条件 第1课时 “SSS”判定三角形全等,两个,三,对应相等,稳定性,B,AE,AE,DE,DE,SSS,A,DCB,SSS,全等三角形对应角相等,ACD,90,

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