e1 |
| ||
|
|
e2 |
| ||
|
|
AC |
e1 |
e2 |
AC |
BD |
AC |
AB |
BC |
e1 |
| ||
|
|
e2 |
| ||
|
|
AC |
AB |
BC |
e1 |
e2 |
BD |
BC |
CD |
BC |
AB |
e2 |
e1 |
AC |
BD |
e1 |
e2 |
e2 |
e1 |
AC |
BD |
AC |
BD |
| ||||
|
|
7 |
25 |
a |
b |
c |
c |
AB |
A.(2,4) | B.(-2,-4) | C.(4,2) | D.(-4,-2) |
| ||
5 |
AD |
1 |
5 |
AB |
4 |
5 |
AC |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
A.2 | B.1 | C.
| D.
|
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