The other three didn't know why, but they must have thought Yan Zi had discovered something, so they all agreed.
"Hmm, hmm!" Yan Zi cleared his throat and then made a long sound like he did when he practiced his voice every day.
"Ah~~~~~" As Yan Zi's high-pitched voice stabilized, the light above his head suddenly became brighter, and then basically stabilized at a certain brightness, with a slight flicker, but much better than the beginning.
Yan Zi stopped, and soon, the lights above his head went out again.
Everyone suddenly realized that the light was flickering because the voices of the people were different. Now that they thought about it, the brightest time was when Yao Xianer screamed when she walked in.
"Yan Zi, you are so amazing. You discovered this." Yao Xian'er said happily while hugging Yan Zi.
Yan Zi didn't expect that his suspicion was actually true. He nodded excitedly and said, "How about this, everyone, please keep quiet. I'll be the only one to say it. This way, the lights will be more stable, and everyone can use this time to look for clues."
So Yan Zi did her usual voice training for breakfast, making an "Ah~~~~~" sound in the middle, and she tried changing the pitch a few times, and found that the higher the pitch, the brighter the light.
Several people also took the opportunity to look for clues quickly. After all, it was very tiring to keep talking like this.
"Stop!" Feng Xiaoyun shouted.
"What did you find?" Yan Zi stopped and asked.
"Don't talk, Feiyu, bring the flashlight over here." Feng Xiaoyun said.
Everyone fell silent, and the room fell into darkness.
Feng Xiaoyun turned on the flashlight, and then used the flashlight to signal An Feiyu to shine the flashlight from another direction towards the glass box on the table.
Although they didn't know about Feng Xiaoyun's discovery, they still followed his instructions.
An Feiyu shone the flashlight on the glass box from an angle, but found nothing.
"Yan Zi, turn on the light." Feng Xiaoyun said.
"You... I'm not lighting a lamp!" Yan Zi objected in a low voice, and then started to speak again.
The lights in the room came on, Feng Xiaoyun and An Feiyu turned off the flashlights, and this time they discovered that there were a few small words under the glass box.
"I just took a look. There are spotlights in three directions above the room. When they light up at the same time, a few small words will appear at the bottom of the glass box. But when we shone the flashlight on it just now, there were no small words." Feng Xiaoyun explained in detail to his companions.
"This should be because the light is shining from a specific angle. Because of the refraction or reflection of the light, those lines of words will appear. We only have two flashlights. If it weren't for the spotlight above our heads, we wouldn't be able to meet the conditions for those words to appear." An Feiyu analyzed.
"Yan Zi, turn on the light." This time it was Yao Xian'er who shouted with a smile.
Yan Zi had no choice but to turn on the lights again.
Written in small letters on the bottom of the box were "X=9, Y=12."
"Ah, this is used to calculate the formula on the wall. Let me do it." Yao Xianer raised her hand. She didn't help much with the puzzle just now.
The other three laughed because the company on the wall was just a simple equation, but if Yao Xian'er wanted to calculate it, everyone would let her do it.
The formula has four lines:
X-3
X+6
X+Y
Y+6
Yao Xian'er quickly calculated in her head, then silently checked it in her mind before saying, "The answer should be: 6, 15, 21, 18."
"Not bad, you're quite smart. You figured this out." Feng Xiaoyun praised with a smile.
Yao Xian'er waved her little fist as if to hit Feng Xiaoyun threateningly, but he dodged it with a smile.
"But what does this have to do with these six weights?" Yao Xian'er asked doubtfully, "Could it be weight number 6? There's only one number 6 that matches the number of the weight."
"It shouldn't be that simple. If it's number six, there shouldn't be four lines of formulas." Feng Xiaoyun analyzed.
Of course, Yao Xian'er knew that it couldn't be that simple. She nodded and began to think about the relationship between these four numbers and the weights in the weight box.
"Have some water." Feng Xiaoyun took out a bottle of water and gave it to Yan Zi. His throat was still quite tired from speaking in such a high-pitched voice just now. Yan Zi nodded and took it.
"Have you figured out what it is?" Yan Zi got a headache just looking at numbers like that. If you asked her what the relationship was between these numbers, she wouldn't be able to figure it out at all.
Feng Xiaoyun shook his head. He couldn't see any connection between these four numbers.
"The answer is 4, it's weight number 4." An Feiyu suddenly said.
"4? How do you know?" Yao Xian'er asked in confusion.
"The first number is 6. What do you think the sixth letter is?"
"The sixth letter?" Yao Xian'er counted on her fingers: "A, B, C, D, E, F. It's F!"
"But what does this have to do with 4?" Yao Xian'er still didn't understand.
"If 6 is F, look at the letters represented by the next three numbers."
"6 is F, so 15 should be..." Yao Xian'er started counting on her fingers again, but when she didn't have enough fingers, she borrowed Yan Zi's hand.
"15 is O, 21 is U, and 18 is R." After finally figuring out the letters that the numbers represented, Yao Xian'er read out: "F, O, U, R."
"Ah, I get it. FOUR. So the answer is number four." Yao Xian'er jumped up excitedly and patted An Feiyu on the head. "What's wrong with your head? It doesn't look that big, but how come you're so smart that you can think of this? Or did the director team actually show you the answer?"
After saying that, he leaned over and shouted at An Feiyu's camera: "Director Yuan, Director Feng, you didn't really show An Feiyu the answer, did you?"
"How can we show it to him when we don't even have the answer ourselves?" The voices of two directors came from the headsets.
"Okay, for now, I believe that An Feiyu is really smart."
Everyone thought 4 should be the correct answer. Yao Xianer carefully picked up chip number 4 and looked at the other three people. "I put it down!"
Everyone nodded, and then Yao Xian'er gently placed weight No. 4 on the higher end of the scale. The scale then shook slightly up and down a few times, then slowly stopped and maintained a balanced state.
About five or six seconds later, just when everyone thought they were wrong, there was a sudden light click, and the door on one side of the room opened, revealing a ray of light.
"It seems that this balanced state must be maintained for a few seconds." An Feiyu analyzed.
"This is to prevent cheating. If the scale is manually balanced, it's hard to say whether it's truly balanced. But if you just push down the higher end with your hand, it definitely won't be able to remain stable for such a long time."
"Okay, okay, stop analyzing, smart guy, and go watch the next level." Yao Xian'er pushed An Feiyu from behind. Her interest was now completely piqued. Even though she didn't put in much effort in the first few levels, she thought this variety show was really fun.
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