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- 2014-7-24
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cpk:
i undersstand. payments are known in advance and paid later. but in the first question, it says payment is known at t = 0 and paid at t = 6. in the second, it says it is enteres at 0, determined at 6, and paid at 12.
isnt there a conflict there? |
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发表于 2013-4-3 12:02
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