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
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
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?(请设绳长为x)
用—根绳子测量井的深度,如果把绳子3折,井外多2米,如果把绳子4折,还差1米不到井口.井深多少米?绳长多少米?
用绳测井深,把绳3折,井外余2米,把绳四折,还差1米,那井深多少,绳长多少?
用绳测井深,把绳三折来量,井外余2米;把绳四折来两,离井口还差1米,井深( )米,绳长( )米.
用绳测井深,如绳三折,井外余2米,如折四折,离井口差1米.问井深多少米?绳长多少
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?
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,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?