AP |
1 |
2 |
AB |
1 |
2 |
AC |
1 |
6 |
BC |
A.△ABC的一边上 | B.△ABC的一顶点处 |
C.△ABC的外部 | D.△ABC的内部 |
BC |
AC |
AB |
AP |
1 |
2 |
AB |
1 |
2 |
AC |
1 |
6 |
BC |
1 |
2 |
AB |
1 |
2 |
AC |
1 |
6 |
AC |
AB |
1 |
3 |
AB |
2 |
3 |
AC |
1 |
3 |
2 |
3 |
AB |
AC |
AB |
A.7 | B.4 | C.3 | D.2 |
OA |
OB |
OC |
a |
A.±
| B.10或0 | C.±5 | D.13或3 |
a |
b |
1 |
2 |
c |
d |
a |
b |
c |
d |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
6 |
3 |
NA |
7 |
5 |
NB |
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