The two of them played the game tirelessly, each with their own winners and losers, and Shizune took a small notebook to keep accounts, and about half an hour passed in a blink of an eye.

Positive, negative, negative, negative, positive, negative, negative......

Tsunade's expression was cloudy and clear, but he didn't know that Huo Genma didn't look at her at all, but counted in his heart, and at the same time he played the positive and negative sides according to a certain rhythm, in an orderly manner.

Well, it's time to get to the head.

I don't know that Huo Xuanma is positive, Tsunade is negative, one positive and one negative, and Tsunade loses two thousand taels.

Tsunade immediately exhaled and threw the coin directly on the table: "No more betting." Mute, what is the result? ”

Shizune took the small notebook and looked at it, and surprise gradually appeared on her face: "There have been 320 rounds, you have won 162 times, and Genma has won 158 times." But Genma won you...... Forty thousand taels! ”

Tsunade looked unacceptable, and couldn't help but hold his forehead and said, "Why is this happening, why do I win three thousand taels so few times?" Am I really going to lose every gamble? ”

"Of course not." I don't know that Huo Genma smiled slightly, and put away the coin casually.

"As long as you are in your position, no matter who plays this game and plays it more times, it will definitely lose money in the end."

Tsunade frowned and couldn't help asking, "Why?" ”

Shiranui Genma: "A simple math problem. When I draw coins, as long as I make sure that I make three heads every eight times, after more times, I will definitely win. ”

Tsunade became more and more confused, his brow furrowed.

Shiranui Genma continued, "You don't know much about the corresponding mathematics, so it might be a little difficult to understand. ”

"I just want to use this example to illustrate that many gambling games that seem to be win-or-lose are actually hidden traps, and if gamblers don't stop in time, they will eventually go bankrupt and lose all their money......"

Unexpectedly, Tsunade suddenly slapped the table and looked directly at him: "No, you have to explain it to me!" Why is it that as long as you make three heads every eight times, you can definitely win money from me? ”

“……”

I didn't know Huo Xuan was stunned for a while, and then he organized his language a little, and said slowly: "There are two key points in this game, one is the bonus setting, if the bonus in the three cases is not a three-to-one two-to-two setting, the situation will be different. ”

"The second point is that this game is about coins, not coin tosses. The heads and tails of a coin toss are completely random, while the frequency of heads and tails of a coin can be artificially controlled. ”

"By controlling the frequency of heads and tails of coins, I can not influence the probability of winning or losing, but I can affect the type of winning or losing, or more colloquially, the quality of winning and losing."

"For example, in the 320 rounds just now, you won 162 times, four more than me, but in these 162 rounds, you only won 3,000 taels 57 times, and you won 1,000 taels as many as 105 times, so overall, the quality of your wins is low."

"Although I only won a total of 158 times, I was able to get 2,000 taels each time, so when the final settlement was settled, it was I who won 40,000 taels from you."

Tsunade didn't seem to understand, thought for a moment and asked, "I can also control the frequency of heads and tails, why must I be the one who loses?" ”

"As long as I control the frequency of the heads and tails of my coins within a certain range, all your adjustments are meaningless." ”

"Why?"

"This ......" I don't know what to say.

In this world, the vast majority of people's mathematical knowledge is very shallow, and they can't even call mathematics, they can only be called arithmetic.

Only a scientific madman like Orochimaru, or an elder with a very high level of knowledge like Mito Menyan, would have a deeper knowledge of mathematics.

Tsunade is bound to lose every time he gambles, and he is obviously a mathematical idiot, and he doesn't know that it will not be easy for Huo Genma to explain it to her thoroughly.

But thinking of this, a bold thought suddenly came to the mind of Shiranui Genma.

Even in the world of information explosion in his previous life, there will still be mathematicians who form groups to brush casinos, and even casinos that ban mathematicians.

In comparison, the gambling techniques of the Hokage World are much more rudimentary.

Therefore, I don't know Huo Xuanjian couldn't help but think that with his own level of mathematics, if he went to the casino to gamble, how could he get some loopholes......

"Hey." Tsunade waved his hand, interrupting him from his distracted state, "What the hell is going on, you explain clearly." ”

"Hmm......" Shiranui Genma pondered for a moment, then said, "Okay, then I'll talk to you about it until you understand!" ”

……

A month later.

A casino in the country of grass.

Shizune hugged the guinea in his arms and looked at Genma and Tsunade who were sweating at the gaming table, looking nervous and expectant.

The atmosphere in the casino was lively and noisy, but most of the people gathered around the tables of Tsunade and Tsunade and couldn't take their eyes off it.

After a moment, Shiranui Genma and Tsunade cheered, "Win!" ”

"Lost again!" The rest of the gamblers were full of grief, some simply left the game, and some even hid their faces and cried, and there was a burst of chickens and dogs jumping in the casino.

I have to say that in terms of gambling, Tsunade is actually very talented, but because he has no mentor to guide him, he has become a big fat sheep who has been slaughtered repeatedly.

After she opened the door to a new world for her, it took her less than a month to complete the gorgeous transformation from "Big Fat Sheep" to "Gambling Master", and her gambling skills became more and more exquisite.

Returning home from the casino, the way back was very happy.

Tsunade also drank alcohol, his face flushed, and the twin peaks surged as he walked, which was spectacular.

Walking on the road, she laughed with the wine bottle, and then raised her hand and patted the shoulder of Shiranhuo Genma: "Zilai is right, you kid is really a talent!" ”

I don't know that Genma smiled and didn't say anything.

There is no doubt that after a month of combining theory and practice, his plan to persuade Tsunade to quit gambling has completely failed.

But in any case, Tsunade is not bound up in gambling debts, which can be regarded as saving a gambler in another way.

Then it suddenly occurred to him that he had unconsciously made Jiraiya more yellow, and he also made Tsunade more fond of gambling...... The chances of life are really wonderful.

"By the way, Tsunade-sama, I remember that you and Shizune were originally going to Kusakawa, right?" I don't know that Genma asked.

Tsunade was stunned for a moment, then nodded: "I almost forgot about it." In that case, let's go to the "No. 1 Dangerous River in the Ninja World" tomorrow. ”

The next afternoon.

The three of them came to the Kusakawa River, which is located on the border of the country of grass, to be precise, near the Shinjin Mubi Bridge.

The Shin-Kami-Mubi Bridge is a new bridge rebuilt after the destruction of the Kami-Mubi Bridge, and like the previous one, the new bridge is still long and wide, spanning the mighty grass river, becoming the hub of the two countries.

There was no war, and the bridge was full of traffic, people came and went, and it looked quite lively.

Tsunade raised his eyes and looked at the mighty water of the grass river, and couldn't help but sigh: "It's been a long time since I've been here." ”

As she spoke, she suddenly frowned and looked at Shiranui Genma.

But I saw that I didn't know that Huo Genma had cut a wound on his hand, and then he started a psychic technique with blood.

Immediately, I heard a "bang", and a white-footed albatross with a wingspan of ten meters and a body length of four meters appeared out of thin air.

"Phew-"

……

_______________________

PS (points are not counted in this paragraph):

A little bit about this coin game.

The first thing to say is that many people don't figure it out that this game is [coin toss], not coin toss. The front and back are controlled by themselves.

Let the probability of the protagonist being heads be x, and the probability of Tsunade being heads is y, and x and y are both on [0,1].

As a result, the protagonist's income per game is expected to be [-3xy-(1-x)(1-y)+2x(1-y)+2y(1-x)], in thousand taels.

Let the formula > 0, get x∈ (1/3, 2/5), take 3/8.

Substituting 3/8, it can be seen that the income of the protagonist per game is expected to be 1/8 of the fixed value, and the unit is 1,000 taels, that is, 125 taels.

Therefore, as long as there are enough times, the average income of the protagonist per game will inevitably tend to be close to 125 taels, and Tsunade will lose.

(?′?`?) It's a very interesting little game, if you don't calculate it, you can't see the flaws, you might as well find friends and relatives to try it (kēng).

Other than that.

Someone mentioned that Tsunade was "metaphysical luck", but I don't think it's possible.

If Tsunade is strictly "bound to lose every gamble", as long as the mute is reversed, the two can still do it without saying that they will get rich, lose or earn, and it is impossible to be riddled with gambling debts in the original book.

Moreover, if there is such a thing as "metaphysical luck", it is often difficult to make sense in the setting, unless there are boundless things such as "God (in the true sense)" and "law".

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