a |
b |
a |
b |
a |
A.-2 | B.2 | C.-1 | D.-3 |
a |
b |
a |
b |
a |
b |
a |
a |
b |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.-6 | B.-3 | C.3 | D.6 |
e1 |
e2 |
a |
e1 |
e2 |
b |
e1 |
e2 |
a |
b |
A.-2 | B.2 | C.-
| D.
|
a |
b |
a |
5 |
b |
13 |
a |
b |
| ||
65 |
a |
b |
a |
b |
OA |
OB |
OA |
OB |
A.4 | B.3 | C.-
| D.
|
a |
b |
a |
b |
a |
b |
a |
. |
b |
a |
. |
b |
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