| | 【 】 | | | 【 】 | | | | | | 7--8 | 6 | | | | ⑴ | | ⑵ | | ⑶ | ⑷ | | | ⑸ | ⑹ | | ⑺ | | ⑻ 18 | | ⑼ ⑽ | ⑾ | ⑾ | | | | | | | | | | | | | | | | | | | | | | ⒈ ① | | | 8 10 2 3 | 20 25 | 1000 1500 | | | 1 | 2 8 10 | 3 4 1000 1500 | | | ② | | ③ | | 2 3 1000 1500 | ④ | | 2 3 1000 1500 | ⒉ 6 7 8 | | | | | | | | | | | | | | | | | | 5 | 7 | | 10 | 7 | 1 1 1 | | | | | | | | | ACDE | | | | | | | | | | | | ⑴⑵ 2011 6 9 641 | | ⑶ | 1982 | ⑷ | 130 | ⑸ 27 | ⑹ | 1979 | ⑺ 齐民要术 | 6 1982 | ⑻ 1982 | ⑼ | 2001 520 | ⑽ 1977 | ⑾ 1974 66 | | | |