AP |
AB |
AC |
A.最大值为8 | B.是定值6 | C.最小值为2 | D.是定值2 |
AB |
a |
AC |
b |
BP |
BC |
BC |
AC |
AB |
b |
a |
a |
b |
a |
b |
AP |
AB |
BP |
a |
b |
a |
a |
b |
AB |
AC |
a |
b |
AP |
AB |
AC |
a |
b |
a |
b |
a |
a |
b |
b |
OA |
OB |
OC |
OA |
OB |
1-x |
ax |
OC |
o |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
n |
OP |
1 |
3 |
OA |
OB |
OC |
AC |
CB |
0 |
OC |
OA |
OB |
x2 |
a2 |
y2 |
b2 |
| ||
3 |
OM |
OA |
OB |
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