, . . . , .
, . , . , .
1 2. 1 2. 1 2 , .
1: ( 648) → 647 → 1 → 646 → 1 → 639 → 1 → 637 → . 1 2 P-4 4, . , .
1 2: 549 → 6 → 492 491 → 1 2 → 437 533 → 1 8 1 → 487 503 → -2 . . , .
( ) , 40 /, 60 /. 1 1.
|
|
|
1: 4- 15- 7 → 1615, 1814 → → 1857, 1695, 1517 → 1 → 901, 1515 → 2 → 1514, 2130 → 1 → 1527, 1525, 1622, 1809 → 2-4.
1 1 6. 57 63 % . , : 2 → 634 → 1 → C6 (5 4) → 631 → 1 .
1 :
1. (647, 646) 1, , 30 /;
2. (645, 644) () 2;
3. (1520,1505) 1, .
2 1 6 . , , 35 39 % .
, 2 ( ), 1 ( ). ϫ 1 2 .
