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. . ̳ 1. 2, 3 6.
1 - 2, . 1 1 + , 1 2, 0 + 7 = 7. 2, 2- 7.
1- - 3- 6-.
1 . 1 (, , ). , , .
. . . 2 7.
, 2- . 2 1, 3, 4.
( ) 2 - 1. , 1- .
2 - 4 3. 4 2-, = 2- + 2 4 = 7 + 15 = 22. 22 <∞, , 4 22.
2 - 3. 2-, = 7 + 10 = 17. 9 <17, .
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. ( 6, 4 5).
. , . : 1 2 7, 3 = 9, 4 = 20, 5 = 20, 6 = 11.
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