?????? ??? ??? ??? ?? 6? ??? ???.

1. ???? 0.3? ?? 6 ~8????, ???? 0.3? ?? 4 ~6????;

2. ????? (6? ??), 0.3? ??6 ~8????;

3. ???? (7? ??, 3?, 3?, 0.4? ??? 6 ~8????;

4. ??? (8? ??, ??? ??), 0.5? ???

5. ??? (9? ??), 0.6?? 6 ~8???? ???.

6. ??? 0.6?? 4 ~6????.

??? ‘? ’? ?? 160????? ??? ?? ?? ??? ????.

???: ??? ???