用一根绳量井深,绳3折入井,有3.8米露在井口处,绳5折入井,距离井口还差2/5米,井深和绳长各多少米?
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?
用绳测井深,把绳三折,井外余3米,把绳四折,还差1米不到井口,那么井深多少米?绳长多少米?
用绳测井深,把绳三折,井外余2米,把绳四折,还差1米不到井口,那么井深多少米?绳长多少米?
用一根绳子测量井深,直接量,井外余5米.对折量,离井口还差4米.井深几米.绳子长几米?(列方程)
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?
用绳子测井深,如绳三折,井外余2米,如四折离井口差1米井深,绳长各多少?
一根绳子测量井深,单股量外余3米,双股量到井口差4米,求绳长.
用一根长绳测量井的深度,绳子对折来测,则井外余6米,将绳子四折来测,绳子离井口还差1米,求井深,绳长?
用一根绳子测量井深,井外还余3米;将绳子对折测量井深,绳子到井口还差4米,求绳长
问道数学题(古算题)用绳测井深,把绳3折,井外余4米;把绳4折,还差2米不到井口,井深多少米,绳长多少米?要算术法