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标题:
related to 哥德巴赫猜想
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作者:
yma16
时间:
2007-5-12 18:16
标题:
related to 哥德巴赫猜想
Prove that a big even number can be written as a sum of 4 primes.
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作者:
yma16
时间:
2007-5-15 21:11
标题:
answer
A big odd number can be written as a sum of 3 primes. So a big even number can be written as a sum of 4 primes.
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