a |
b |
a |
b |
3 |
a |
b |
3 |
a |
b |
A.0 | B.4 | C.2 | D.
|
a |
b |
a |
a |
b |
b |
a |
b |
3 |
a |
b |
a |
b |
a |
a |
b |
b |
a |
b |
a |
π |
4 |
b |
π |
4 |
a |
b |
1 |
2 |
1 |
2 |
π |
4 |
4-π |
4 |
a |
b |
3 |
a |
b |
A.1 | B.
| C.3 | D.9 |
a |
b |
c |
c |
a |
b |
A.
| B.2 | C.-
| D.-2 |
x2 |
b2 |
y2 |
a2 |
PF |
PF |
a |
4 |
m |
x1 |
b |
y1 |
a |
n |
x2 |
b |
y2 |
a |
m |
n |
a |
b |
a |
b |
A.-1 | B.-
| C.
| D.1 |
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