1 |
51 |
1 |
2000 |
1 |
1949 |
1 |
2000 |
1 |
1949 |
1 |
51 |
=
949 |
51 |
1949 |
2000 |
51 |
1949 |
51 |
2000 |
2000 |
1949 |
2000 |
51 |
=(
1949 |
51 |
2000 |
51 |
51 |
1949 |
2000 |
1949 |
1919 |
2000 |
51 |
1949 |
=-1-1-1+3,
=0.
1 |
51 |
1 |
2000 |
1 |
1949 |
1 |
2000 |
1 |
1949 |
1 |
51 |
1 |
51 |
1 |
2000 |
1 |
1949 |
1 |
2000 |
1 |
1949 |
1 |
51 |
949 |
51 |
1949 |
2000 |
51 |
1949 |
51 |
2000 |
2000 |
1949 |
2000 |
51 |
1949 |
51 |
2000 |
51 |
51 |
1949 |
2000 |
1949 |
1919 |
2000 |
51 |
1949 |