AB |
AB |
BC |
AC |
AM |
MB |
BC |
AM |
BM |
CM |
AM |
AC |
AB |
BC |
AC |
AC |
AB |
AM |
MB |
BC |
AB |
BC |
AC |
AB |
AM |
BM |
CM |
1 |
3 |
AB |
AC |
1 |
3 |
BA |
BC |
1 |
3 |
CA |
CB |
0 |
AB |
AM |
AC |
AB |
AC |
AB |
OP |
QP |
PS |
SP |
A.
| B.
| C.
| D.
|
AP |
AB |
AE |
A.满足λ+μ=2的点P必为BC的中点 |
B.满足λ+μ=1的点P有且只有一个 |
C.λ+μ的最大值为3 |
D.λ+μ的最小值不存在 |
OA |
OB |
OA |
OB |
OA |
OA |
A.2个 | B.3个 | C.6个 | D.9个 |
AB |
BC |
CA |
GA |
GB |
GC |
BF |
DC |
AE |
A.3个 | B.2个 | C.1个 | D.0个 |
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