Hello, Miss Ann!

An Jing threw a map in front of him, opened a voice, "draw out the route you know."

"I..." Zhou Xiaoheng looks at an Jing. He thinks the woman in front of him is really terrible. How can she see that he knows the road map?

"Competitive people like you, in order to draw the nearest road map, will not break the means, draw quickly! Use different colors of strokes. " An Jing raised a voice and threw a row of colored pens in front of him.

Zhou Xiaoheng quickly drew 12 road maps in the map, "there are 15 people in the competition, but I only found 12 road maps."

An Jing looks at the map, a face of meditation, as if there is something can't think of.

"What's the matter?" She went up and looked.

"Do you know which of the three roadmaps the five of them drew?" An Jing asked.

Zhou Xiaoheng thought about it for a moment and then put a tick on three of the road maps.

Seeing the marked route on the map, an Jing frowns more tightly.

"What's wrong, Amy? Speak Seeing an Jing's worried face, Bei Jiajia wondered.

"From 11:11, the three routes they took didn't need 12 o'clock to get to Yanjiang Road, and each route bypassed the police station and other government departments. But that night, I saw that five of them were coming from the office apartment, which was in the opposite direction in the center of the city, and there was no route on the road map. Their road map handed over At the intersection of Sanxiang, there is a difference of three traffic lights from the intersection where I saw them. Isn't it strange? " An Jing pointed to the map and continued, "Xiao Yao said that at 9 o'clock, the five of them had been to a bar and left at 11 o'clock. But the bar is located in the office apartment. It's 15 minutes' drive from the bar to the city center. The competition starts at 11:11, and they can't make it back. "

An Jing stopped and looked at Zhou Xiaoheng, "you said, you didn't see them with backpacks during the competition. That is to say, you have met them at the intersection, and only the green line and red line are connected with the three routes. Are you the green line or the red line? "

"The red line." Xiao Heng replied. He watched her amuse herself curiously.

"How many times?" According to an Jing, there are at least five junctions between the three routes and the red line.

"Once." Xiao Heng replied.

"Which interface did you encounter?" An Jing continued to ask.

"The third." Xiao Heng replied in a positive way.

"Three people at the same time?" An Jing asked.

"Well." Xiao Heng nods.

An Jing suddenly smiles. Two people in the room look at her suspiciously. Bei Jiajia asks in a voice, "what are you laughing at, Annie?"

An Jing drew several equations on a piece of white paper and said, "if five people and others start from the starting point at the same time, the chance of meeting the person starting from the red line is only 10%. The distance and speed will make the probability of meeting even lower. Eight percent of the chance of meeting will only appear at the first and fifth interface, and this probability only exists in one of the three lines, and it is absolutely impossible to meet at the same time. One percent of the probability will be in the second interface and the fourth interface. And the remaining one percent... "

"Will appear on the third interface." Xiaoheng excitedly answers, but in exchange for an Jing's white eyes.

"The remaining one percent chance is an accident."

……

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