????
??? ??? ??? ??? ??? ???? ??? ????? ??? 40? ???? ??? ????.
5? ???? ???? ??1?? ??? ????? ??? ?? ???? ??? ?????? ??? ??? ??? A(40·?)??? ?? 10??? ????.
A?? ??? 8?26? ??? ?? ?????? ??? ?? ?????? ??? ??? ??? ??? ??? ??? ?? ??.
A?? ?? ??? 29? ?? ????.
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