When they returned to the meeting point, they didn't see Yan Jingqing and the others. Five minutes later, Yan Jingqing and his team appeared. Only Yan Jingqing had something on him; the other four girls, Mu Naizi, Mu Muzi, and Chu Kening, were empty-handed.
It's understandable that Chu Kening is too young, but the other girls didn't take any.
In the live broadcast room
Without comparison, there is no harm; how come they can take everything back?
According to the production team's arrangement, the first few items shouldn't be too big; two people should be able to carry them back.
We can understand that Chu Kexin is young, but why does Chu Kening choose not to take anything?
The comments section was full of people criticizing the other girls.
As fellow girls, this is the difference.
I came from that live stream. Those four girls did absolutely nothing, letting the top student do everything himself. It was outrageous. They just stood there waiting, not even willing to budge after the combination lock was cracked.
Yan Jingqing hadn't expected these girls to be so unsociable. It was clearly beyond his expectations.
Su Ya understood as soon as she saw Yan Jingqing: he had no way of commanding those people.
"How did it go? Was it successful?"
Su Ya asked.
"It's alright." After saying that, Yan Jingqing handed four sheets of paper to Su Ya. Su Ya took them and saw that there were also four questions on them.
On the first piece of paper:
It grows bigger when it sees people
One minus one is not zero
up in the air
Two birds fly head to head, one thin and one fat.
Rising Sun
It's hard to speak because of the language barrier.
Suya gave the answer after reading it:
The second sheet also contains a Sudoku puzzle, requiring that repeated numbers be counted only once.
*95 76* 4*3
*32 4*5 7*1
*47 8** 25*
Suya quickly wrote down her answer as well.
186 2913 869
If we remove the duplicates, then it is...
There are two questions on the third sheet of paper.
The first question.
Sun Bin and Pang Juan were both disciples of Guiguzi. One day, Guiguzi posed this problem: He chose two distinct integers from 2 to 99, told Sun Bin their product, and Pang Juan their sum. Pang Juan said, "Although I cannot be certain what these two numbers are, I am sure you don't know either." Sun Bin said, "I didn't know before, but after hearing what you said, I am now certain." Pang Juan said, "Since you say so, I now know what these two numbers are." What are these two numbers?
Suya wrote down the answer 413
Second question:
Find the smallest natural number that leaves a remainder of 1 when divided by 7, 8, and 9.
This simple formula is 7*8*9+1=505
So the final answer is
On the fourth sheet of paper:
Two pieces of information are encoded as X and Y respectively and then transmitted. At the receiving station, the probability that X is mistakenly identified as Y is 0.02, while the probability that Y is mistakenly identified as X is 0.01. The ratio of the frequency of transmission of information X to information Y is 2:1. If the receiving station receives information X, what is the probability that the original information was also X?
"You didn't solve this one."
Su Ya asked.
Yan Jingqing didn't know why Su Ya guessed that he hadn't solved it.
So he nodded.
Then Suya wrote down the answer.
196/197
"Why?" Yan Jingqing couldn't solve the problem for a long time, but Su Ya solved it after just one glance.
The probability of X being teleported is: 2/3*(1-0.02)+1/3*0.01
There are two scenarios when X is received: correct transmission or incorrect transmission of Y.
The probability of X being correctly transmitted is 2/3*(1-0.02).
Y was mistakenly sent 1/3 * 0.01
Therefore, the probability that X sends the message is [2/3*(1-0.02)]/[2/3*(1-0.02)+1/3*0.01]=196/197
"Do you understand?"
"I see, I understand now."
Meanwhile, the second brother, Su Linxi, was completely bewildered and had no idea what it meant.
A top student is a top student; we're from completely different worlds.
Only then did Su Linxi truly acknowledge the fact that her younger sister was a top student.
Yan Jingqing also realized that Su Ya was indeed stronger than him.
Yan Jingqing led a few other boys to move supplies.
They went to a place that was quite far away, and it took them half an hour to carry the supplies back.
Yan Jingqing and his group brought back a lot of things: nine tents, sleeping bags, ten sleeping mats, a whistle, ten rolls of extra-large toilet paper, and several towels. It seems the production team is prepared for them to spend a month on the island.
"No way, I'm really going to stay on the island for a month? Does that mean we'll have to spend Chinese New Year on this island too?"
Su Lin sighed.
Lishu and Anyadi didn't seem to feel anything; they were foreigners, and for them, the Lunar New Year was just the Chinese New Year, not ours.
Chu Kexin was getting anxious when she heard Su Linxi say that she would have to stay here for another month and not be able to see her parents.
"I want my mom, I want my dad."
The others were also annoyed, so they gave Chu Kening a displeased look.
Seeing this, Chu Kening quickly pulled her younger sister, Chu Kexin, aside. She was perceptive enough to realize that they wouldn't be able to leave the island anytime soon, and might actually be trapped there for a month until the production team released them.
The only thing they can tell the time now is the clock they left behind.
"Now everyone put your belongings together with the supplies selected by each group, and let's see which ones we can use."
then.
Anyadi took out a comb.
Chu Kexin took out a hair clip.
Chu Kening took out an umbrella.
Junjunzi took out a bowl.
Second brother Su Linxi took out a magnifying glass.
Suya did not take out her needle case.
Yan Jingqing took out a box of pH test strips.
A pair of oars, a knife, a compass, an alcohol lamp, a lighter, a flashlight, a clock and a pot, nails and rope.
After checking their belongings, everything seemed alright. They had clocks to tell the time, lighters to keep warm, and knives to cut fruit.
An alcohol lamp can be used for cooking, if used properly.
Oars, nails, ropes—originally intended for shipbuilding, but they're no longer needed in this situation.
The island has a lot of wildlife, and Suya thinks the production team probably didn't clean it up properly.
Then someone needs to keep watch at night with a flashlight.
Next, Suya planned to probe the north and south directions.
The area to the east and west is all sand.
Many trees grew in the north-south direction.
Su Ya gave her second brother an order
"Second brother, take a few boys and go set up a tent."
"Minako, take a few girls to collect tree branches, the more the better."
Even though Kinako was unwilling, she had no choice in the matter. So she could only take a few girls to collect tree branches.
Suya, on the other hand, walked into the woods to the north and south.
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