264-34-(34+18)+(34+18+а)=(264-34)-(34+18)+(34+18)+а=230+а
264-34-(34+18)+(34+18+а)=264-34-52+52+а=230+а
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264-34-(34+18)+(34+18+а)=(264-34)-(34+18)+(34+18)+а=230+а
264-34-(34+18)+(34+18+а)=264-34-52+52+а=230+а