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3.????????????
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1.???
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1210???2310???3230???813 ???650??? 2420
2.???
??:650
?:??????????????????????(???????????????,??????????0)
??:2420
?:??????????????????????(???????????????,??????????0)
3.???
??:650?2420?????????????(?????,????0)
?:???????????0,??????????
??:16030=
1.???2(1)?
(1)???????
(2)??????,???????
(3)?????
(4)??,??????????????????????
?1:?????????,??163=48,??????????0?
?2:??????: 1 6 0
3 0
0 0 0
4 8 0
4 8 0 0
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??3:??,??????: 1 6 0
3 0
4 8 0 0????
(5)???
???????????????(?????????0)??????????????(??????????)
?:????,??????0??????,??0???????
??:???????????0?(???????????0,????0)
(6)?????????
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2.?????(???48????)
(1)????????
(2)????????,?????????
(3)???????,???????
(4)???
3 6 0 3 6 0
2 5 ? 2 5 ,??????????
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3.???2?
(1)????,??????????????(???????0,????????0)
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(2)??10630?,?????0?3???0,???????????????????????(????????????)
?? ?1 0 6
3 0
3 1 8 0
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