a |
b |
a |
b |
b |
a |
b |
a |
b |
a |
b |
a |
a |
b |
b |
b |
a |
b |
b |
a |
b |
a |
b |
b |
a |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
a |
a |
b |
b |
a |
b |
b |
b |
a |
b |
a |
a |
b |
a |
a |
a |
b |
a |
b |
2 |
b |
A.
| B.3 | C.
| D.2 |
a |
b |
b |
5 |
b |
A.(-6,3) | B.(3,-6) | C.(6,-3) | D.(-3,6) |
a |
b |
a |
b |
a |
b |
a |
3 |
b |
a |
b |
A.1 | B.
| C.2 | D.4 |
a |
b |
a |
b |
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