|
|
|
|
Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems.
![]() |
|
|
|
|
|
|
|
![]() |
|
|
|
|
|
|
|
|
11+6+1+1
|
|
|
|
|
|
|
|
|
11+6+1+1
|
|
|
|
|
|
|
|
|
11+6+1+1
|
|
|
|
|
![]() |
|








发表于 2007-8-18 14:09
| 







