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

2????????

3?????????

4????????

5?????????????

???(16?????????),?????,????????????

?????????????,???????????????2024???????????(???????)?1000???????????,????????????????????,???????????(???,????????????)??????????????,?????????????????

?????

??????????????,??????????????????????????????????????????,????????,????????????????????:

(1)??????????????160????????:

??:?????????,?????????????????0.45???????????

???????????:?????,????????????020??????(??????20????),????0.48??????;2040????(?????????????40???????),???????0.44???????????????;40??????0.40???

(2)??????160??????,??????0.37????????

???????????:

(1)?160??????:

??????????????:?????=?×?????????

????:??????=??????+?+??????????????????????????,?????=???×????????

(2)????????160?????,????????????=????????×??

?????????????????,??????;???????????,???????????,??0.5???????,0.5??1???????

????????????????4???(?,?????????160?,???????????10????,????9.3?????;?????160?12.2?)?????????????????,???????????,???????,????????(?????),??,????????????????????2024??????

????,????????????,?????,??????(???????????),?????????,???????,????????????????,???????,???????

(?? ??????)

????:???