- 問題詳情: Onceamanneededanewpairofshoesmanwasverygoodatmath.Heknewthatinordertogetshoesthatfitverywell,itwouldbenecessarytomeasurehisfootsizecorrectly.So,beforehewenttothemarket,hecarefullymeasuredhisfeetanddrewaverydetailedpictureofhisfeetonapieceof...
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