x2 |
a2 |
y2 |
b2 |
3 |
2 |
1 |
2 |
3 |
2 |
x2 |
a2 |
y2 |
b2 |
12 |
4 |
(
| ||
b2 |
x2 |
4 |
y2 |
3 |
3 |
1 |
2 |
3 |
1 |
2 |
3 |
1 |
4 |
3 |
17 |
4 |
| ||
2 |
5 |
x2 |
16 |
y2 |
9 |
9 |
5 |
x2 |
25 |
y2 |
9 |
A.充要条件 | B.必要不充分条件 |
C.充分不必要条件 | D.既非充分也非必要 |
x2 |
a2 |
y2 |
b2 |
A.
| B.
| C.
| D.
|
x2 |
25 |
y2 |
16 |
F2M |
MP |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
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