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