Question

1.一根绳,两折来量,绳子比课桌还长0.6米;三折来量,绳子比桌子段0.1米.绳子长多少米捏?

Answer 1

设桌长为x米.3(x-0.1)=2(x+0.6)解得x=1.5,绳长为3(x-0.1)=4.2m