3 |
|
|
A.(x+203)2+(y-6)2=36 |
B.(x+203)2+(y+6)2=36 |
C.(x+203)2+(y-6)2=36或(x+203)2+(y+6)2=36 |
D.以上都不对 |
A.(x-2)2+(y+3)2=25 | B.(x+2)2+(y-3)2=25 |
C.(x-2)2+(y+3)2=5 | D.(x+2)2+(y-3)2=5 |
A.(0,2),2 | B.(2,0),4 | C.(-2,0),2 | D.(2,0),2 |
© 2017-2019 超级试练试题库,All Rights Reserved.