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Mathematics 24 Online
OpenStudy (anonymous):

Suppose for any positive integer n, s(n) is the remainder when n is divided by 19. Find the number of pairs of integers (a,b), such that 1≤a≤b≤18

OpenStudy (falco276):

Sorry, am horrible in Algebra. :P

OpenStudy (usarmy3947):

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OpenStudy (usarmy3947):

*bookmark

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