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人教版八年级数学课本第17章勾股定理，勾股定理的逆定理的证明！
人教版八年级数学课本第17章勾股定理，勾股定理的逆定理的证明！今天给大家讲解人教版数学课本八年级下册第17章勾股定理内容，重点讲解课本第31页的互逆命题的同时，也讲解勾股定理的逆定理的证明。
人教版数学八年级下册第17章勾股定理课本新授知识！！33/59
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