??? ????? ???????? ???? ??? ??? ??? ?????? ??????? ???? ???? ???? ??????? ??????? ?? ???? ?????? ????? ???? ???? ?????? ??????.?????????? ?????? (???????? ???????) ?? ???????? ?????? ?? ?????? ??????????? ?? ????????. ???? ??? ? ??????????? ??? ???????-???????????? ??????? ? ?..As quantities get bigger, mental calculations get more durable. And whe