腦筋急轉(zhuǎn)彎
2009-01-01 00:00:00
英語學(xué)習(xí)·陽光英語 2009年5期
Sam and His Son
Eight years ago， Sam was eight times the age of his son Sam Jr. Today， if you add their ages together， they add up to 52. How old are Sam and his son?
Sam and His Son
Eight years ago， Sam was eight times the age of his son Sam Jr. Today， if you add their ages together， they add up to 52. How old are Sam and his son?
