a |
b |
1 |
2 |
c |
d |
a |
b |
c |
d |
a |
b |
c |
d |
a |
b |
c |
d |
a |
b |
c |
d |
a |
b |
c |
d |
| ||
2 |
| ||
2 |
π |
4 |
3π |
4 |
a |
b |
a |
b |
a |
b |
x2 |
4 |
y2 |
3 |
MA1 |
MA2 |
A.-2 | B.-1 | C.2 | D.3 |
a |
b |
b |
a |
a |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
a |
c |
a |
b |
a |
b |
a |
b |
a |
c |
a |
0 |
b |
c |
A.2个 | B.3个 | C.4个 | D.5个 |
AC |
a |
a |
AB |
a |
BC |
A.2 | B.-2 | C.2或-2 | D.0 |
AP |
PB |
OM |
OA |
OB |
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