Page 140 - Numbertheory

@ @@Hßìÿaö§aI@†a‡Èÿa@óî‹Åä@

122 12 12 ()
64321
. 1× 2× 3× 4× 6 = 144 = 122

20 18 15 14

3() 2( ) 1( ) 0 ()
(
92 ( ) 62 ( ) 52 ( ) )
. 32 ( ) )
(

73 ( ) 53 ( ) 33 ( ) 23 ( )

. 2001 = 3× 23× 29 [British IMC 2001] ( )

105 ( ) 91 ( ) 60 ( )45 ( )
()

15 ( ) 14 ( ) 9( ) 12

6 ()

١٢٧