:

 

-



:

:

:   1 + 2 23 + 4 = 1

1 32 + 3 + 4 = 0

41 2 3 4 = 1

41 + 32 43 4 = 2

:

1 1-2 1 -3 1 1 1 1 1 1 1 1

1-3 1 -1-1

D = 1-3 1 1 = 1 -1-1-1 -1 4-1-1 - 2 4-1-1 -1 4-1-1 =

1 - 3 -4-1

4-1-1-1 3-4-1 4-4-1 4 3-1 4 3-4

4 3-4-1

05.12.2006

:


© 2010

.