AB |
a |
AD |
b |
AA1 |
c |
CO |
A.
| B.
| ||||||||||||||||||||||||
C.-
| D.
|
CA1 |
CA |
AA1 |
CB |
BA |
AA1 |
DA |
BA |
AA1 |
AD |
AB |
AA1 |
b |
a |
c |
CO |
1 |
2 |
CA1 |
1 |
2 |
a |
1 |
2 |
b |
1 |
2 |
c |
a |
A.(5,-5) | B.(3,1) | C.(5,1) | D.(3,-5) |
AB |
BC |
CD |
AB |
BC |
CD |
A.
| B.
| C.
| D.
|
AB |
A.(a-4,0,2+b) | B.(4-a,0,-b-2) | C.(0,a-4,2+b) | D.(a-4,0,-b-2) |
OA |
OB |
OC |
OE |
A.
| B.
| ||||||||||||
C.
| D.
|
CA |
CB |
CC1 |
A1B |
A.a+b-c | B.a-b+c | C.-a+b+c | D.-a+b-c |
© 2017-2019 超级试练试题库,All Rights Reserved.