?? ??!????????,?????!
????:1?????2023:??????
2???92???
3???????sn
4??????
5???????
?11?????????????????????13?????????,???????????,?????????
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1????????1??,????????????????«?»,??
«???»????,?«?<?????>???????????????????????»(???????795???????????????????????????????)?,??????????????????????????11??13???????,???:
???????????????????????
?:365??????????????????????????-104????(?)-13??????????????(????)=248????????
???????????:248????÷4???=62?/?
?:248????????????÷12?????=20.67??/?????????????
?:???????????????????????????????????????????8????????????????????????
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?,?,?????????????13???????????????,?????????????????:
?????:??????????????????÷?
???????????????:?????????????????÷(????×8?????)
???:(365?????????????????????-104???)÷12??=21.75????
????????????????????
1?????1????,?«???????????????????????»???????,?:
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??,?????300%??
??,??????????
?,??????????????????(21.75???????????????????????)??(261???)???????????????8??
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