用一根绳测井深,将绳三折去量,井口外余三米;四折去量,余一米.井深几米?绳长几米?

用一根绳子测井深,绳子折五折后井口余三米,折七折,则余一米,井深几米,绳长几米? 用绳测井深,把绳三折来量,井外余2米；用绳四折来量,离井口还差一米,井深几米?绳长几米? 用一根绳测量井深,将绳三折去量,井口外多余3米；将绳四折去量,井口外还余0米.井深几米?绳长几米? 用一根绳测量井深,将绳三折去量,井口外多余3米；将绳四折去量,井口外还余1米.井深几米?绳长几米? 用一根绳子测井深绳子3折量,井口外余3米,绳子4折测量,井口外余1米.问井深和绳长? 用一根绳子测井深,单股量,井外余3米.双股量,到井口差四米.求绳长?方程计算. 格子不够!看下面!用一根绳子测井深,把绳子折三折去量,井外还多1m,把绳子折四折去量,则绳末端距井口有三分之一m,绳子长 用一根绳子测井深,把绳子折成四段后,井口外余3米；把绳子折成五断后,井口外余1米.井深多少米? 用一根绳子测井台深度,把绳子对折后,绳子超过井口9米；把绳子三折后,绳子超过井口2米,求绳长和井深 快 用一根绳子测井深,绳子三折后去测量,井口外多5米.把绳子四折后去测,井口外多3米,问井深几米,绳长几 用一根绳测量井深,将绳三折去量,井口外多余三米;将绳四折去量,井口外还余一米.求绳长和井深 用一根绳子测井深,把绳子折3折来测,则井外余1米,把绳子5折来测,绳子离井口差1米.井深多长?绳子多长