题目列表(包括答案和解析)
OA |
OB |
OC |
NA |
NB |
NC |
0 |
PA |
PB |
PB |
PC |
PC |
PA |
A、重心、外心、垂心 |
B、重心、外心、内心 |
C、外心、重心、垂心 |
D、外心、重心、内心 |
NA |
NB |
NC |
O |
OA |
OB |
OC |
PA |
PB |
PB |
PC |
PC |
PA |
OA |
OB |
OC |
PA |
PB |
PB |
PC |
PC |
PA |
NA |
NB |
NC |
0 |
OA |
OB |
OC |
NA |
NB |
NC |
0 |
PA |
PB |
PB |
PC |
PC |
PA |
OA |
OB |
OC |
NA |
NB |
NC |
PA |
PB |
PB |
PC |
PC |
PA |
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