AD |
3 |
5 |
AB |
2 |
5 |
AC |
A.BD=
| B.BD=
| C.BD=
| D.BD=
|
AD |
3 |
5 |
AB |
2 |
5 |
AC |
AB |
BD |
3 |
5 |
AB |
2 |
5 |
AB |
2 |
5 |
BC |
AB |
BD |
AB |
2 |
5 |
BC |
BD |
2 |
5 |
BC |
2 |
5 |
AB |
A.3,
| B.3,
| C.2,
| D.2,1 |
A.(-9,-4) | B.(-14,15) |
C.(-9,4)或(15,-14) | D.(-9,4)或(-14,15) |
AC |
CB |
M1M2 |
A.(3,8) | B.(1,3) | C.(3,1) | D.(-3,-1) |
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