本文作者： 21ST
IT’S a math problem aimed at testing the logical reasoning skills of 14-year-olds in the Singapore and Asian Schools Math Olympiads (SASMO), which were held on April 8. But now it is being heatedly discussed online after it was posted on Facebook, a social networking site. According to the Daily Mail, the problem has “left people across the world completely baffled (困惑的)”.