数学奥赛培训课上,A、B、C、D四个人正围坐着一张方桌手持试卷思考试题,他们的老师戴着近视眼镜站在一边,端详着他们的草稿……很快,前面五道题被他们熟练地攻克了,A、B、C三人很得意,只有D一句话没说,静静地写着……攻打第六个堡垒的战斗开始了。然而这回不再像先前那么简单。果然,在一番冥思苦想之后:A那分得意不知飞到何处去了,堆满笑容的脸变得苦涩不堪,眉头紧皱,牙齿不断地磕着笔头,目光死死地盯着试卷。B呢?B的境况也“惨不忍睹”,原先因兴奋而急速踏地的声音越来越慢,双手托着下巴,大概是无法面对这样的宿敌吧,索性把头 In the mathematics Orsay training class, four people A, B, C, and D are sitting on a square table holding examination papers and thinking about their questions. Their teachers wear myopia glasses and look at their drafts... soon, the first five. The subject was skillfully overcome by them. A, B, and C triumphed. Only D didn’t say a word, quietly writing... The battle to attack the sixth fortress began. However, this time is no longer as simple as before. Sure enough, after a bit of hard thinking: A wasn’t sure where he was flying, and the face filled with smiles was bitter, his brows were wrinkled, his teeth kept writing and his eyes stared at the papers. What about B? B’s situation is also “horrible.” The original sound of rushing ground due to excitement is getting slower and slower. With his hands on his chin, he is probably unable to face such an enemies.