OA |
OB |
A.33 | B.-33 | C.32 | D.32 |
-1+3i |
1+2i |
(-1+3i)(1-2i) |
(1+2i)(1-2i) |
5+5i |
5 |
OA |
OB |
OA |
OB |
e1 |
e2 |
π |
3 |
a |
e1 |
e2 |
b |
e1 |
e2 |
a |
b |
A.1 | B.-4 | C.-
| D.
|
OA |
OB |
m |
n |
π |
2 |
π |
2 |
m |
n |
π |
3 |
π |
2 |
a |
b |
c |
a |
b |
a |
c |
b |
c |
a |
b |
c |
A.
| B.1 | C.
| D.2 |
AB |
AC |
BC |
A.(0,-4)或(-2,0) | B.(0,4)或(2,0) | C.(0,-4) | D.(-2,0) |
© 2017-2019 超级试练试题库,All Rights Reserved.