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Chapter 135: The Probability of Being Divided

In the twentieth round, he put his left hand behind the fan-shaped pile he was holding in his right hand, and gently folded the lower right corner of the monster behind a bit. Because the left hand is blocked by a card, the old man thinks that Zhou Yiping is just thinking about something with his left hand pointing at a certain card.

But that's not enough, I must keep the old criminal's eyes off my hand for a while.

"Upgrade! Civilians for warriors! Zhou Yiping changed his mind, and this upgrade was not for the score, but to divert the attention of the old criminal. Sure enough, the old criminal's eyes were fixed on the civilians who had been beaten out on the table. The civilian flashed white light and turned into a warrior.

The points became twelve to nine. The old criminal's gaze looked at the scoreboard again.

Golden opportunity! Zhou Yiping finally folded four small corners on the Warcraft card! These four small corners can't be seen at all if you don't look closely, and they can be said to be folded like rice grains.

At this time, the old man actually played the civilian with the two red stars and said, "I have also been promoted to a warrior!" ”

At this point, the score became 12-12 again!

Mrs. Xing paid attention to the score, and did not have the actions of Zhou Ping just now.

The first step of the plan is completed smoothly, and the second step is the most critical step, a step that completely depends on the destiny of heaven.

Zhou Yiping threw out a card and shouted, "I'll cover this card!" ”

What he threw out was the one with small horns folded backwards at the bottom left, bottom right, top right, and top left!

If Zhou Ping throws it out like this, there will be a flip in the air, so that there is a 50% chance of landing on the front and back, and only a dozen percent of the probability is positive after the corner is folded.

What's more, in order to make it look natural, I didn't use a downward gesture, but a forward way to leave the hand. This not only makes the balance of the card better in the air, but the weight of the four corners can ensure that the card lands head-on and does not flip.

God help me! Monday was secretly happy in his heart. Without waiting for the old man to look at the card carefully, Zhou Yiping immediately stretched out his prepared left hand and took the Warcraft card back to the back of the card pile. (Because of the relationship between the corners, Zhou Ping did not use the insertion of the card pile, so as not to block the small corner by the other party).

On Monday, Ping reshuffled the cards and said apologetically: "Sorry! The last round was too exciting. You said that if you accidentally drop the table, you can take it back and replay it, right? ”

"Yes!" Although the old man felt suspicious, because the time was too short, only the one was a demonic beast, and no corner folding was observed. Could it be that this kid deliberately let me see that he is out of Warcraft and wants to play psychological tactics?

Zhou Yiping properly arranged the whole plan, and even calculated the card failure to land face down.

If it is back down, he can stretch out his left hand to press the card, and the whole person stands up and pushes the card in front of the old man to make a decisive appearance. Take the opportunity to press the four corners flat with the pressure of your left hand (because the corners are folded backwards in the front side, the corners are upturned in the back, and it is easy to flatten them by pressing them). Although the plan fails, it can prevent the other party from seeing what they have done. At that time, it was only a matter of luck.

Back to the present, Zhou Yiping's plan was successful. Not only let the other party see the card monster, but also took the card back. Then he drew another card and stamped it on it, saying, "Sorry, I waited a long time." I changed it to a cover! Zhou Yiping's firm gaze did not leave the eyes of the old man when he spoke, making it easier for the other party to believe him.

"Oh?" The old man smiled cunningly and said, "This psychological tactic is really interesting. Did you get a new one, or did you continue to release Warcraft? ”

The situation of the old man is very uneasy, and as long as he draws, he can win the whole game with a tie and win the whole game 2-0. Therefore, the old man thought that Zhou Yiping just now was a sound attack. Although his win rate is as high as 66 percent, he is still thinking about the possibility of 33 percent.

So......

The old man glanced at the card on the table and thought, "Now what we have to consider is whether he has changed the beast, if not, then I am a beast tamer." If so, is it a trainer or a warrior? Monday's move just now, out of the monster, and then get it back, and then change to a card. It seems to be a simple action, but it divides the probability by one-third. That is, let me consider whether there is a one-in-half probability of changing Warcraft. Among them, if you change other cards, there is a one-in-half probability of changing the tamer or the warrior. ”

The old man held his forehead and thought again: "As long as you think about it carefully, you can see that the probability of the last one in two is the real one-in-two." Because if you don't change Warcraft, there will be no other problems. Only when the monster is changed, will there be a question of changing the tamer or warrior to consider. So it's like a fork in the road, and the fork on the right will have more forks. And there is only one right way! He wouldn't have gone the dead end of the first way - he didn't change the beast. So the odds are that this one isn't Warcraft! ”

Sixty seconds left in the countdown!

He's not going to make a 3 in 3 probability just a 1 in 2. Right! He must have switched to a different card.

The old man just felt a sense of disobedience in Zhou Ping's actions before. Don't know where? Is he really just going to show me the beast and turn a one-in-a-three chance problem into two one-in-two decisions? Where is that sense of disobedience?

Another ten seconds have passed!

The old man is like a seasoned hunter, looking for clues. The most cunning fox is, after all, a fox.

Finally found it!

At this time, the old man understood why the Warcraft card that fell out just now gave him a sense of disobedience!

Although he didn't see the four rice grains-sized corners of the card, he thought of Zhou Yiping's left hand!

Yes, it's his left hand that reaches forward before the cards hit the table! This is the slightest suspicion that the old man perceives, and that is where he feels that the sense of harmony is violated.

Did he know that the card was likely to be face up, so he would move his left hand in advance?

But card drops are random, or they can be face up! Why would he be so sure that the drop would be head-on, and take it back in advance?

Although the old criminal's guess was a little wrong, he was getting closer and closer to the truth.

At this time, the old man stood up and stared at the card under the flat cover on Monday!

Dong Kelan suddenly stood up and said, "Hey, hey! Hurry up and play your cards! Why stand up? You've got less than thirty seconds left! ”

Although it was said that there was not much time to remind the old man of the countdown, there was a sense of urgency in his tone.

The old man was even more strange, and thought: "This girl is helping Zhou Yiping, when the time runs out, I will lose directly, and they will pass the test." Why are you in such a hurry? Does she know something? She sat on the side and didn't see any cards drawn on Monday! What she can see, I can't see? ”

Zhou Yiping thought very clearly in his heart, relying on Dong Kelan's extraordinary memory and eyesight. Sitting next to him again, not far from the falling demonic beast, maybe he saw the corner after the demonic beast fell. She may have guessed part of the plan

The old man was still staring at the card, and this girl was preventing me from looking at the card. Is there a ghost in this card?

Indeed, through the faint reflection of light. The four corners of this card reflect a little more light. This is...... It's a fold!

The old man suddenly realized! Although the small corners have been repaired, there is still a slight upturn!

Stay tuned for the next chapter: the plan you've already thought about