???????6???????
??2?????????19???? (??? ?????????)??????(????19????????????????)???19?????,??6??????
6??:??“?”?????“????????????”?????????????????????????????????“??+???”??????????????????????????“???”???????????????????????????????????????“?????????????????????????????”???????
??,????????????,???,?????????,????
????,?????????????????,????,??????????????,??,??
????,????“???????”???“??????????”?“?????????????”??????,???????????????,????????,????“??????????”???????????????
??“??+????????????”????????????,??????????“??????????+????+X”??,????????“???????????”?????????????????????,???
????“??????????”????,?????????(??),???????????????????????????????????????“??????????”?????,????????????????????????????????????“????????????”,???????????????????????????
???????,????????“?????????????????????”?????????????????????,???,??????????????????,?????,???????????????“???????????????”+“????????”???
???????????????????????????,???(??????????????????????)????,??????????????????????????????,??,??????,????????????????,????????????,?????,?????????,?????????????????,??(??) ??????????????????:??????????
??