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2.7. S(5,6,12) ,

29. , (. . 2.13), , -.

. . , 3, :

(i). , 18.

(ii). .

(iii). . 24 , 8, .

iv).

30. (12, 132, 4)- S(5, 6, 12).

. 5 , , 4, .

132

5. , 5 .

14, .

, . - 30 , ( ) 12 , . 2.16, , (12, 144, 4)-,

. 2.16.

31. ( ), 4 51 .

. , S(5, 6, 12)

, 4, 4 .

, . 2.16, 4 , 51.

( , , 4, 51.)

:

(i). 12 , (11, 72, 4)- , 31, , , 4 34 .

(ii). , - . , 4 22 .

(iii). , - 0. , 4 30 .

(iv). , - 0. , 4 18 . ( (9, 20, 4)- 2.4.) , (8, 20 3)-.

. 2.17. (8, 20, 3)

(8, 20, 3)- . 2.17. , , .

2, . 2.4, (9, 20, 4) .

() (2.4). 12, 144, 4)? : (. . 17 ).

(2.5). (12, 144, 4)- , , . .

(2.6). , . 2.17, -

, 12 , . 2.16, .

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