设冰棒价格为C。小明可买2根,C∈[0.34,0.50]
18-11=7,小刚可买6根,小刚3元,C∈[0.43,0.50]
小明5元,5/11=0.455,5/12=0.417,C∈[0.42,0.45]
(5+3)/17=0.471,(5+3)/18=0.444,C∈[0.45,0.47]
C=0.45元
设冰棒价格为C。小明可买2根,C∈[0.34,0.50]
18-11=7,小刚可买6根,小刚3元,C∈[0.43,0.50]
小明5元,5/11=0.455,5/12=0.417,C∈[0.42,0.45]
(5+3)/17=0.471,(5+3)/18=0.444,C∈[0.45,0.47]
C=0.45元