???1?4??????????????? ??1???????4???,4????????????8?40?,???,?8??????,15?????

????????,?,??????????10?10???,??????????????????12????????50?,?????????????8???,15?????,???????????????????(????)

????:???? ??“??????”

?? ? ?8?????????????15?

????:1???????:??????

2????????

3??????????

4????????????

5??????????

???1?4??????????????? ??1???????4???,4????????????8?40?,???,?8??????,15?????

????????,?,??????????10?10???,??????????????????12????????50?,?????????????8???,15?????,???????????????????(????)

????:????