С???????????????????С??3715???????????????????????????????С??3715?????!
1 ???????????(?????????????????????????)
2 ??????к???
3 ???????????????????
1????????????15?????3?Ρ??????????????δ??300+??????1000+?????? ?????45???????????·???????????50?????????2700????(45????)????50??????????
2??????7???????5?????????5×70=350???? 7???? 420?? 2700-420=2280??
3??????????????? ??????????????????????????д???????50??????????????????????40????????????????????45??ɡ???θ?40?????
2250÷45=50?? 50×40=2000?????
????????50???????????????????????
1000+350+2000=3350????????????????
4????????????????????
?????δ??????15?????????2????????
??????????????????????????????δ??????7????????
??????????????С??????????????????????????????????8????????3????????
??????????????15?????????17????????3?????????????????????????????????????
?????5?????
????10????
??????40???????5×15+10×17+40×3=365?????
????3350+365=3715?????
?????????????????γ?????????????У?????????????5????????????
????????????????????????????????????????40407???????40407????????
