Thanks,your Method is right for tutoring your son.I think,

來源: jinjing 於 2011-01-09 09:57:44 [] [舊帖] [給我悄悄話] 閱讀數 : (207 bytes)
回答: some comments 由 calligraphy 於 2011-01-09 06:44:33

If you have time you also can teach your son playing chess or weqi,it is very good for thought by heart...,Math is very useful,I know a lot Math students went to other major and being top students....

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• 回複：Thanks,your Method is right for tutoring your son.I think, -calligraphy- ♂ 給 calligraphy 發送悄悄話 (409 bytes) () 01/09/2011 postreply 16:32:52

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