Mr Smith has four daughters.Can you guess who the oldest one is by the following three sentences?

题目

Mr Smith has four daughters.Can you guess who the oldest one is by the following three sentences?
Who's oldest one?_______
1.Sandy's younger than Debby.
2.Debby is not as old as Annie.
3.Rose is younger than Annie.

答案

Sandy比Debby小
Debby没有Annie大
Rose比Annie小
所以得到Annie最大
如还有不懂的,还可以继续追问哦\(^o^)/~