a |
b |
a |
b |
a |
b |
a |
b |
a |
OA |
b |
OB |
a |
b |
OA |
OB |
BA |
a |
b |
|
|
1+4-2×1×2×
|
3 |
3 |
FA |
FB |
FC |
FA |
FB |
FC |
A.3 | B.4 | C.6 | D.9 |
a |
b |
a |
b |
a |
b |
a |
b |
A.0 | B.2
| C.4 | D.8 |
m |
n |
π |
6 |
m |
3 |
n |
AB |
m |
n |
AC |
m |
n |
AD |
A.2 | B.4 | C.6 | D.8 |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.23 | B.35 | C.
| D.
|
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