a |
b |
a |
b |
1 |
2 |
c |
a |
b |
a |
c |
A.1 | B.
| C.
| D.
|
c |
a |
b |
c |
a |
b |
a |
c |
a |
a |
b |
a |
b |
(1+λ)2
|
(1+λ)2+λ2+2λ(1+λ)×(-
|
λ2+λ+1 |
(λ+
|
|
| ||
2 |
1 |
2 |
AB |
d |
d |
AC |
d |
BC |
A.0 | B.-4 | C.4 | D.4或-4 |
a |
b |
1 |
2 |
a |
b |
a |
b |
a |
b |
a |
a |
b |
a |
b |
a |
b |
a |
a |
b |
A.1 | B.
| C.2 | D.
|
| ||||
|
a |
b |
a |
b |
a |
b |
© 2017-2019 超级试练试题库,All Rights Reserved.