a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.-6 | B.6 | C.3 | D.-3 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
A.
| B.-
| C.-1 | D.1 |
m |
n |
m |
n |
A.10-5
| B.10+5
| C.10-2
| D.10+2
|
a |
b |
c |
a |
b |
c |
b |
c |
a |
b |
A.4 | B.3 | C.2 | D.0 |
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