???????2???????????????????5??
???????2,???????2??????,???????2???5??
????????????5?????????(??????)??
?.????10000????2??5????
???????????1000?????800???????;
1000?????????1??5??;
?????????200????+????????300????100??+????С???100????50??+????????80????=430??;
800??+430?????1200????????????800???1??5??;
??.????15000????4??5????
???????????1500?????1600???????;
1000??????1??5??;
???????12000?????????????????1??5??;
?????????300??+3?????1500????100+????????300????100+????С???100????50+??????80=630??
??1600+630=2230????????2??5??
??1+1+2=4??5????
?????? ????????12000????????4??5?????15000??????????????????????????????????????????3/4????
??.????20000????6??5????
???????????2000?????1980???????;
2000????????2??5??;
???????12000????????????1??5??;
1980?????+?????????300??+3?????1500????100+????????300????100+????С???100????50+??????80=2610???????3??5??
??2+1+3=6??5????
??????????????μ???????????????????????·???????????????????????????????Щ???????????115????????????????????????????+???????????????????????????
????棺(11??17??)
1.??????????3K????1??5??+260????????;
1W??????1??5????3W??????1??6??;
2.??????????1W???????????1??5??;
3.???????1W????1??5????2W??3W????1??6????
???????2??????????? ????1-13???????????
