智力题 JACK IS TWICE AS OID AS BILL,WHO IS EIGHT YEARS YOUNGER THAN _数学解答

智力题 JACK IS TWICE AS OID AS BILL,WHO IS EIGHT YEARS YOUNGER THAN BEN,WHO

人气：365 ℃　时间：2019-08-21 06:08:12

解答

杰克的年龄是比尔的两倍,而比尔又比本年轻八岁.