FA |
FB |
8 |
9 |
FA |
FB |
8 |
9 |
16 |
9 |
4 |
3 |
m2-1 |
4
| ||
3 |
y2+y1 |
x2-x1 |
4 |
y2-y1 |
3 | ||
|
3 | ||
|
4 |
3 |
3 |
5 |
3 | ||
|
| ||
4 |
1 |
9 |
2 |
3 |
2 |
3 |
OC |
OG |
a |
b |
c |
1 |
5 |
3 |
5 |
a |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
c |
a |
b |
c |
A.1个 | B.2个 | C.3个 | D.4个 |
a |
b |
a |
b |
a |
b |
a |
b |
A.2 | B.4 | C.2
| D.6 |
AB |
CA |
CB |
CA |
A.20 | B.-20 | C.20
| D.-20
|
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