AP |
AB |
AC |
AN |
1 |
2 |
ND |
AM |
AE |
AP |
AB |
AC |
AP |
AB |
AC |
{ | 5+5t<0 4+7t<0 |
9 |
2 |
13 |
2 |
{ | x=9-5=4 y=13-4=9 |
AB |
AD |
AE |
1 |
2 |
AB |
AD |
AM |
AN |
NM |
1 |
3 |
AD |
NB |
1 |
3 |
AD |
AB |
AN |
1 |
3 |
AD |
AB |
1 |
3 |
AD |
AB |
1 |
3 |
AD |
AM |
AC |
AB |
AD |
{ | α=β 3β=1-α |
1 |
4 |
AM |
1 |
4 |
AC |
1 |
4 |
AB |
AD |
1 |
2 |
CB |
CD |
CA |
AM |
1 |
4 |
AC |
AM |
3 |
4 |
CA |
3 |
4 |