BC |
BD |
CA |
CE |
AD |
BE |
BC |
BD |
AD |
1 |
2 |
AB |
AC |
CA |
CE |
BE |
BC |
CE |
BC |
1 |
3 |
CA |
AD |
BE |
1 |
2 |
AB |
AC |
BC |
1 |
3 |
CA |
1 |
2 |
AB |
BC |
1 |
3 |
AB |
CA |
AC |
BC |
1 |
3 |
AC |
1 |
2 |
1 |
2 |
1 |
6 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
4 |
OA |
a |
OB |
b |
OC |
c, |
OD |
d |
a |
c |
b |
d |
3 |
OM |
ON |
π |
2 |
π |
6 |
a |
π |
6 |
π |
6 |
b |
π |
6 |
π |
6 |
b |
a |
b |
a |
b |
m |
t |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
OA |
OB |
OC |
OP |
A.内心 | B.垂心 | C.外心 | D.重心 |
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