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本栏解题说明及答题办法请参照本刊1988年第1期31页编者按。本期答案请于1988年11月30日以前(以邮戳为凭)寄至本刊编辑室。正确答案及评奖结果将在1989年第1期公布。
This column to explain the problem and answer the method, please refer to the first issue of 1988 issue 31 press. The current answer please in the November 30, 1988 (postmarked) to our editorial office. The correct answer and the award result will be announced in the first issue of 1989.