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A(1)<A(2)<,..,<A(n) . , , k, (k)=. , , . S , A(s). A(s)=, . : A(s)<, , 1 s , A(s)>, , S n . . - , - . . , =12 - , S . =12 (2,3,4,6,10,12,20,30,35,45) . 30.

(2,3,4,6, 10,12,20,30,35,45).

1 2 3 4 5 6 7 8 9 10.

S=5, (5)=10 (5)<), .

 

(2,3,4,6,10, 12,20, 30,35,45).

1 2 3 4 5 6 7 8 9 10.

S=8, (8)=30 (8)>), .

 

(2,3,4,6,10, 12 ,20, 30,35,45).

1 2 3 4 5 6 7 8 9 10.

S=6, (6)=12 (6)=), =12 .

 

.30.

 

 
 

.31 , .

 

.31.





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