. - . , . , .
, , . , , . , . , . - , , , - .
42 42 :
- : — 15×15 , – 50 50 ;
- —10×10 ;
- – 25 40 ;
- – 42 42 ;
- – 45 45 ;
- ;
- 3 – 3.5 .
, . , (1 ), . . ( ) , ( ) (, ) . , , :
- - : 1 – 1
- : 2,3,4 4 – 1
- , «»,
- : 5, 5, 6, 6, 9, 9, 12 – 1
- : 7,7. 8, 8, 10, 10, 11, 11, 4, 4 – 1
–
- 1+2
- (1,2) + 3
- 4 + 5+4
- 4 +5 +4
- (4,5,4) + (4 + 5 + 4)
- (1,2,3) + (4, 5, 4, 4, 5, 4)
- 6 + 7
- 6 + 7
- (6, 7) + (1, 2, 3, 4, 5, 4, 4, 5, 4) + (6, 7)
- 8 + 9 + 10
- 8 + 9+10
- 11 + 12+11
- (8, 9, 10) + (11,12, 11)
- (6, 7, 1, 2, 3, 4, 5, 4, 4, 5, 4, 6, 7) + (8, 9, 10)
- (6, 7, 1, 2, 3, 4, 5, 4, 4, 5, 4, 6, 7) + (8, 9, 10) + (8, 9, 10, 11, 12, 11).
. . . : , . . . .
« » . . , – . , . .