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Ye Yunwen and the rest all had a serious look on their faces. This question was rather tricky. A gold bar cost seven days of work and the most basic method was to split the gold bar into seven sections and pay one section per day. However, this question required that the gold bar could only be broken twice, which meant that it could only be divided into three segments. That was the difficulty.

Chen Mufeng deliberately said: "Your majesty, in order to be fair, shouldn\'t this question be limited in time?"

Emperor Xiao Hui laughed heartily, "Of course it\'s like that, limited to an incense stick. If you spend less time than my country, you will win. "

Emperor Xiao Hui very kindly made the servants present the four treasures of the study for the Turow Country.

Sheng Sihao was infuriated. He calculated on the paper with a straight face, but was unable to do anything about it.

Qin Ruiqi and Lei Ruilin took out a small pencil and a small notebook from their bag. They drew and wrote and the two brothers almost put down their brush at the same time.

Lei Ruilin moved closer to Qin Mian\'s ear and whispered a few words.

Qin Mian nodded in approval.

Although he did not know what they were talking about, Qin Mian seemed to already know the answer. She warned himself to keep his cool, the last question was the hardest.

The time it took to burn an incense stick could be said to be neither fast nor slow, and it was soon over.

Sheng Xu Hao said with a straight face, "This official is not talented."

Zhangsun Hee saw that Ye Yunwen had put down his brush a moment ago, as if he had already explained everything to him, he cupped his fists towards Ye Yunwen and asked sincerely: "Pardon me, but may I ask, does Master Lai have a way to help that friend of mine?"

Emperor Xiao Hui looked at him approvingly, "We are also very curious, how are we going to split the gold?"

Ye Yunwen saw that they were intentionally giving face to the Turow Country, and laughed: "You can use ink thread to split the golden bar into seven sections. The first time you cut it, you cut it off one section; The whole gold bar becomes one "one", one "two" and one "four". "On the first day, one shall be paid to the workers; on the second day, two shall be paid to the workers and one shall be recovered; on the third day, one and two shall be paid to the workers; on the fourth day, four shall be paid to the workers and one and two shall be recovered; on the fifth day, one shall be paid to the workers; on the sixth day, two shall be paid to the workers and one shall be recovered; and on the seventh day, one shall be paid to the workers.

Zhangsun Hee clapped his hands, "Brilliant! This prince has received your teachings, many thanks, Sir En. "

All the ministers clapped their hands.

Emperor Xiao Hui laughed, "May I know what your third question is?" There was no need to explicitly mention the second question, so naturally, it was the victory of Grand Xia Country.

The Turow Country was still the same question that Ye Yunwen had set, and he said slowly: "The third question is something that I have seen in an ancient book, and I have no results after thinking about it for a long time.

Everyone in Grand Xia Country had a positive look on their faces. No matter what Ye Yunwen said, he didn\'t know whether the answer was real or fake, but he could tell how difficult this question was.

Ye Yunwen said: "The night is dark, there are five spies who need to cross a bridge, this bridge is dilapidated and can only allow two people to walk on it at a time, and one person to hold a lamp, this lamp will be extinguished within thirty breaths. It takes one breath to cross a river, three breaths to cross a bridge, six breaths to cross a bridge, eight breaths to cross a bridge, and twelve breaths to cross a bridge. For guidance, how should the five of them cross the bridge? "

Ye Yunwen\'s gaze swept across the officials once again.

All the military officials pondered for a moment, but there was no answer. There was only worry in their hearts, afraid that they would be called upon. Some of the young masters were excitedly calculating on paper, but no matter how they tried, the time would exceed thirty breaths. They couldn\'t help but suspect that this question was the wrong one. But no one dared to doubt, because if it wasn\'t for the wrong question, the Grand Xia Country would have been a fool.

Emperor Xiao Hui also frowned. This question was at least twice as difficult as the second question.

Unexpectedly, the Princess Yan Qing looked straight at Qin Mian, and opened his mouth once again, his tone carried pleasant surprise, "I think the National Duke\'s wife has already answered my question?"

Qin Mian only wanted to reply with "hehe".

It had to be said that Princess Yan Qing did indeed have some sense of urgency. Just now, Ye Yunwen had said that he did not know the answer to this question, and he also said that he hoped that the higher one\'s Grand Xia Country was, the better. If he really wanted to know the answer, then after hearing Princess Yan Qing\'s words, he should have mentioned Qin Mian\'s name.

Ye Yunwen shrewdly calculated, although he did not know that the Princess Yan Qing and the National Duke had a grudge, as their noble princess, it was inevitable that he did not want to marry into their Turow Country. The person she was targeting, would definitely be beneficial to her Turow Country.

As such, a happy smile surfaced on Ye Yunwen\'s lips, and he said to Qin Mian: "Since that\'s the case, then I shall ask National Duke\'s wife to enlighten me."

Emperor Xiao Hui stared at Princess Yan Qing coldly. If it wasn\'t for the circumstances, he would have slapped her daughter right in the face. It wasn\'t a big deal if it was just a normal meal. How could an outsider be fit to be the princess of a country?

The empress dowager and empress were still smiling elegantly and gracefully, but their smiles did not reach their eyes. Especially the empress dowager, she couldn\'t wait to strangle Princess Yan Qing to death. If it was said that she had some pity for Princess Yan Qing in the past, then this time, she didn\'t have a single bit left.

The empress noticed the empress dowager\'s expression, but her smile became more genuine.

Disdain of the Princess Yan Qing was hidden in the depths of Princess Duan Ning\'s eyes.

Lei Tia pressed Qin Mian\'s hand.

Qin Mian pinched back his teeth as he calmly stood up and bowed towards Ye Yunwen, "Thank you for thinking so highly of me, my wife."

Ye Yunwen said to the Emperor Xiao Hui: "This problem is difficult to solve, why not limit it to two incense sticks."

Emperor Xiao Hui knew that Qin Mian had suddenly appeared in his Qingshan Village when he was fourteen, and was not sure how much education he had received before. Just as he was thinking of how to buy more time for him, Qin Mian smiled and said, "No need."

Ye Yunwen was startled.

Everyone else was stu

ed. Could it be that Qin Mian was going to admit defeat in front of so many people?

Qin Mian looked at Ye Yunwen, "This wife can answer you right now. "Perhaps you need to use your notes."

The entire hall was shocked.

Princess Yan Qing squinted her eyes. The sharp nails of her right hand pinched his palm until it bled, but she didn\'t care.

Ye Yunwen\'s expression turned solemn, "Please speak, Madam National Duke."

Qin Mian laughed in his heart. Although we didn\'t get into a good university because of our outstanding results in the arts, our science skills are on par with others. Just for this question, you underestimate me too much!

"First, it takes four breaths for A and B to cross the bridge and return with the lantern; then it takes nine breaths for A and C to cross the bridge and B to return with the lamp; then it takes thirteen breaths for D and V to cross the bridge and A to return with the lamp; and finally, it takes four breaths for A and B to cross the bridge. It took a total of thirty breaths. " After Qin Mian finished speaking, he asked Ye Yunwen modestly, "Is what I said the right way?"

Ye Yunwen calculated carefully, he admired it, but his heart suddenly sank, "There\'s no mistake, I\'ve been taught."

Princess Yan Qing was in disbelief. She opened her mouth to speak, but the empress dowager pinched her arm tightly and turned to face a pair of cold and stern eyes.

Emperor Xiao Hui laughed out loud, "National Duke, you have made me hide my strength well!"

Lei Tia replied humbly: "Your majesty praises me."

The Empress raised her glass with a smile and said gently, "National Duke can fight, National Duke\'s madam can write, it can be said that they are a match made in heaven. I wish the two of you a toast. I wish you a good hundred years of harmony. "

Qin Mian and Lei Tia raised their cups together and after bowing, both of them spoke up at the same time. "Thank you very much, esteemed Empress, for your auspicious words."

All the ministers raised their goblets to them with smiles on their faces.

Li Manqing was dissatisfied and asked loudly, "May I ask what is your third question?"

Just as Qin Mian sat down, he stood up again. "Reporting to Your Majesty, this humble one dares, there\'s a question to ask honorable guests of Turow Country. I hope the Emperor will grant me your benevolence. "

Emperor Xiao Hui said straightforwardly: "Yes!"

Everyone in the Turow Country was waiting respectfully.

Qin Mian smiled, "This strange thing happened in an i

. The three of them slept in one room each, and each room cost them 10 silver coins. Thus, they paid a total of 30 silver coins to the manager. The next day, the shopkeeper recalled that there were some minor problems with the three rooms and felt that the three rooms would only cost twenty-five taels of silver, so he asked the waiter to return five taels of silver. Unexpectedly, the shop assistant was greedy and stole two taels of silver, returning one tael to each of the three guests. In this way, it was equivalent to saying that the three guests had each spent 9 silver, a total of 27 silver. Twenty-seven taels of silver plus the two taels that the shop assistant had stolen from him was twenty-nine taels of silver. Ask, where did the last silver go? "

"Huh?"

Everyone followed the calculations and was amazed. They all nodded and discussed among themselves.

"Yes, that\'s right. The three of them spent a total of 29 taels of silver. What about the 1 tael?"

"This is a strange thing. It was obviously thirty silvers, but why did he calculate it to be twenty-nine silvers? "

"??"

Turow Country and everyone was a bit discouraged, as this question was indeed very strange.

Seeing that, the Emperor Xiao Hui was in a good mood, "How about this, all of the noble envoys can answer this question, and all of the young miss love officials can answer the Grand Xia Country question too. No matter who it is, I will heavily reward them. With two incense sticks as the limit. "

Qin Ruiqi and Lei Ruilin calculated in their small notebook.

Qin Ruiqi was the first to react and whispered into Qin Mian\'s ears, "Daddy, there\'s something wrong with the silver."

Qin Mian gave him a thumbs up from under the table.

Lei Tia passed the teacup to his wife.

Lei Ruilin\'s reaction was not slower than his brother. He pulled on Qin Mian and Lei Tia\'s clothes, indicating them to look at his calculations.

Qin Mian also liked them and was proud of his two sons.

Breath: Breath. One breath was one breath.