作者xotis (waiting for you  )
看板trans_math
标题[微分] 大大帮个忙吧...
时间Sun Jan 1 18:45:28 2006
A Cro-Magnon cave painting at Lascaux, France, is approximately
15000 years old. Approximately what ratio of 14C to 12C would
you expect to find in a fossil found in the same cabe as the painting?
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1F：推 LPUPUP:看不懂 = = 被英文打败 01/01 21:44
2F：推 tassaderviii:C14监定? 01/08 03:18
3F：→ tassaderviii:关键在"15000"年以前，是吧? 01/08 03:20