?1 ??: ????? 3?? ???? ??? ???, ???? ??? ???? 7??? ????? ??. ????? 3?? ???? ??? ???? ??? ??? 10? 1??? 3??? ???? ??? ???? ???? ???? ????. ???, ???, ???, ???, ??? ?? 1?? ???? ??? ???? ??? ???? ???? ??? ???? ???? ???? ??????.
?2 ??: ????? 3?? ???? ??? ???, ???? ??? ???? 7?? ????? ??. ????? 3?? ???? ??? ???, ???? ??? ???? 5?? ????? ?? ??? 10? 1??? 5??? ????. ???, ???, ???, ???, ??? ?? 1?? ???? ??? ???? ???? ???? ??? ???? ?? ???? ???? ???, ???? ???? ???? ??? ???, ???? ??? ???? 3??? ?? ????? ?? ???, ???? ???? ???? ???? ??????.
?3 ??: ????? 3?? ???? ??? ???, ???? ??? ???? 7??? ????? ??. ????? 3?? ???? ??? ???, ???? ??? ???? 7?? ????? ?? ??? 10? 1??? 7??? ????. ???, ???, ???, ???, ??? ?? 1?? ???? ??? ???? ???? ???? ??? ???? ?? ???? ???? ???, ???? ???? ???? ??? ???, ???? ??? ???? 3??? ?? ????? ?? ???, ???? ???? ???? ???? ??????.