???????????????

???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

???????????

??????????????????????

1. ???????

   ???????10???????10???????10???????10???

   ????????????????????θ???????忹????????

2. ????????

   ???????10???????10???????10??????5???????10???????5???

   ????????????????????θ?????????????????????

3. ??????????

   ????????30???????30???????15???????15??????5???

   ??????????????????θ??????????????????????????

???????????

???????????????????????

1. ???ε?????

   ????????30???????30???????10??????6???????6???????10???

   ??????????????????????????????????????????e??????

2. ??????а??

   ????????30???????30???????10??????6???????6???????10??????6???????6???

   ????????????????а??????纮??e????????е?????

3. ??????

   ???????10???????10???????10???????10???????10??????10??????5???????5???

   ??????????????????????????????????????????????????