A.(x+1)2+(y-3)2=29 | B.(x-1)2+(y+3)2=29 |
C.(x+1)2+(y-3)2=116 | D.(x-1)2+(y+3)2=116 |
-4+6 |
2 |
-5-1 |
2 |
(-4-1)2+(-5+3)2 |
29 |
29 |
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 |
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