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Subject: [obm-l] sistema decimal e inducao
Ola pessoal,
Fiquei em duvida nestes 2 problemas:
1) It is impossible to *reverse* a number by multiplying it by 2. In other
words,there is no number of the form abcd, for example, such that abcd x 2 =
dcba.That holds true for all numbers, not just four
Ola pessoal,
Fiquei em duvida nestes 2 problemas:
1) It is impossible to *reverse* a number by multiplying it by 2. In other words,there is no number of the form abcd, for example, such that abcd x 2 = dcba.That holds true for all numbers, not just four-digit ones.
However,there is a
dos apertos de mão, então
dividimos por dois: n(n-1)/2.
Abraços,
Rafael de A. Sampaio
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, March 18, 2004 2:18 AM
Subject: [obm-l] sistema decimal e inducao
Ola pessoal,
Fiquei em duvida nestes 2
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