?? ????2.7???????????????????
????:1???????????:???????????
2????????
3????????
4????????
5????????????
????2???????????5???????????? (????????????????????? ????????????)????????2?5????????,?(1?????????????????28???????2???????4????),???(?????????????)???47???????2.7????,?????????110%?
1???????????????????27?????????????????????,???? ??????????????????,?????,??????,????
??,??,????????97%,????????????????,????????????????????????????????????????????????
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?,?????????,?????,??????????????????????????????????,????????????????????????????,??(????????????)
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