AB |
AC |
AB |
BD |
BD |
BA |
AD |
BA |
1 |
2 |
AC |
AB |
BD |
AB |
BA |
1 |
2 |
AC |
AB |
BA |
1 |
2 |
AB |
AC |
a |
b |
a |
b |
a |
b |
a |
a |
b |
A.600 | B.300 | C.900 | D.1200 |
π |
3 |
OA |
BC |
A.
| B.
| C.-
| D.0 |
a |
b |
b |
a |
b |
a |
b |
a |
A.2 | B.5 | C.3 | D.6 |
a |
b |
a |
b |
a |
b |
A.-4 | B.4 | C.-2 | D.2 |
a |
b |
AB |
a |
b |
AC |
a |
b |
A.λ1=λ2=-1 | B.λ1=λ2=1 | C.λ1λ2-1=0 | D.λ1λ2+1=0 |
© 2017-2019 超级试练试题库,All Rights Reserved.