a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
b |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.(1)(2)(3) | B.(2)(3)(4) | C.(1)(3)(4) | D.(1)(2)(4) |
a |
b |
a |
b |
a |
b |
b |
a |
a |
b |
b |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.5:3:3 | B.4:3:2 | C.5:3:2 | D.5:3:4 |
a |
b |
a |
b |
a |
b |
A.1 | B.-1 | C.
| D.-
|
|
|
BC |
DC |
AO |
AB |
AC |
a |
b |
a |
b |
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