?漣???????????????????? ???????????????????

?漣??,?漣?????????????????,?漣?????????????????????

1.?????? ???????? ?????

2.???????4??8??5:00??4??12??23:59?????????

3.??????????????????????????????飡??????

????????

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

????????????????蹺??5?Σ?30×4×5=600???

????????

??????18×4×10=720???????15×12+5×16=260?????720+260=980????

???????

??????9856???×10+??????12006???×5=158590???

??????????????→????4000??? ????→???7000???

???????????????8000???

?????158590+95000=253590???

????????0(?????????????????????????????)

?????????

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

????????????????蹺??10?Σ?30×4×10=1200???

????????

??????18×4×15=1080???????24×12+10×16=448?????1080+448=1528????

???????

??????9856???×19+??????12006???×9=295318???

??????????????→????4000??? ????→???7000???

???????????????8000???

?????295318+170000=465318???

?????????

??????8×2+??????8×10+???????12×2=120????

4.?????????????????

1.V0V1??????????????ι???????????????????????????????????????????????????????????????V0V1?????????ι???????????

2.СV???????????????????????ι??????????????????????????????ι??????????????????????????????????????????V7?????????????????????????????????????????????????????????????????????????????????????

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

4.????????????????????90????????450;??????????????????150????????750??????????????????????????????????????????????е???T T

????????漣?????????????飬??л????????

88 0 ??????漣?????????????????

????????????????????????????????????????40407???????40407????????