OC |
1 |
3 |
OA |
2 |
3 |
OB |
|
| ||
|
|
π |
2 |
π |
2 |
OA |
OC |
2 |
3 |
AB |
1 |
2 |
OC |
1 |
3 |
OA |
2 |
3 |
OB |
BC |
1 |
3 |
BA |
BC |
BA |
AC |
CB |
|
| ||
|
|
2 |
3 |
OC |
1 |
3 |
OA |
2 |
3 |
OB |
1 |
3 |
2 |
3 |
2 |
3 |
OA |
OC |
2 |
3 |
AB |
OA |
OC |
2 |
3 |
AB |
π |
2 |
π |
2 |
1 |
2 |
1 |
2 |
| ||
2 |
1 |
2 |
3 |
4 |
| ||
2 |
AB |
AD |
CB |
CD |
AB |
DC |
A.平行四边形 | B.菱形 | C.长方形 | D.正方形 |
a |
b |
a |
b |
A.-
| B.
| C.-1 | D.1 |
a |
a |
b |
b |
b |
A.(2,
| B.(2,-
| C.(2,-
| D.(-2,
|
OC |
OA |
OB |
A.(x-1)2+(y-2)2=5 | B.3x+2y-11=0 |
C.2x-y=0 | D.x+2y-5=0 |
© 2017-2019 超级试练试题库,All Rights Reserved.