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1、 254941.25270.898989829910111 1 . . 237=21 ( ) ( ) ( ) ( )( )( ) .72 ( ) ( ) ( ) ( ) .3721213772721 3 。134=31 134 ( )36=18 18 3 6 ( )6 6 6 ( )4 9 9 ( )9542 42 142221314674284126162. 2357 2 ) 0 ( 2 . 2 13: 9 7 52 8 6 4 2 : 8 - 0 1 9235 0 2 4 6 8 2 )2 2 ( 0 5 5 ).5 5 ( ) ( 3 3 10 (1) 3 6 9 3 ( ).(2) 1
2、 3 5 7 9 )( (3) ( )(4)1 3 5 3 3 ( )(5)9 3 3 9 ( )117、 4 3 0 5 : 。 : 。2 : 。3 : 。5 : 。2 3 : 。403,503,543,453,405,305,435,345340,430,350,530,450,540,304,504,354,534340,430,350,530,450,540,304,504,354,534345,354,435,453,534,543,405,450,504,540340,430,530,350,540,450,435,345,405,305450,540,504,354,534排列组
3、合123 3 . . 131 1. . 1 1 . . . 1 1 . . 1 1 . . 3 3. . X X 14 5 13 19 27 58 87 835 13 19 27 58 87 8324 97 57 92 17 97 57 92 17 519132758 878397925724 1715 . . 24- .16 v4 ( )( )v6 ( )( )v9 ( )( )v10( )( )8 ( )( ) ( ) 2 2 2 3 3 3 2 5 2 2 2 17628 66 = 2328234722728 = 22718 : 6 2 2 28 147 60 30 155 32 2 6=2328=2272 2 3 60=223519 .135 ( ).2 ( ).31 ).(.4 1 ( ).515 35=15( ).628 227=28).( 20(1)10 ( )A.10=25A.10=25 B.10=125B.10=125 C.10=11C.10=11A AC C(2)27 ( )A.39=27 B.333=27 C.27=33321 22