小学教育网 发表于 2017-7-10 23:37:37

小学六年级奥数最短路线问题:练习题及答案(四)

小学六年级奥数最短路线问题:练习题及答案(四)
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jzsix 发表于 2017-7-11 00:24:04


        答案与解析
       

       
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