Page 134 - Numbertheory

@ @@Hßìÿaö§aI@†a‡Èÿa@óî‹Åä@

211 −1 ( ) 27 −1 ( ) 25 −1 ( ) 23 −1 ( ) ()
()
75 p+4 p+2 p 0 ()
()
3( ) 25 .
1( )
2( )

100

10

5() 3( ) 2( ) 1()

9! [MAӨ 2002] ( )

160 ( ) 140 ( ) 100 ( ) 20 ( )

315 + 517 [MAӨ 2002] ( )

11 ( ) 5( ) 3( ) 2()

2k 50 ! k [Aust.MC 1984] ( )

:

50 ( ) 47 ( ) 42 ( ) 25 ( )

B = n2 + n +1 A = n2 −n +1 n ()

:.

. B A( ) B A()

B A() B A( )

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