David,Lily,Jane,John and Mary are 12,11,10,10 and 9 years old,but not in that order.

David is 2 years younger than John.
Lily is 2 years younger than Jane.
May is older than David.
Who are the twins ?

lily and may

david 9
john 11
lily and may 10
jane 12

com/z/q129640841.htm 希望能给你帮助.htm" target="_blank">http：（思路）David 比 Jone 小两岁 所以David只能是10岁或9岁，如果David 10岁.soso.com/z/q129640841，也诚实地告诉你是在这里看到 依然是你最懂我 | 发布于2013-04-04 21:23 评论

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