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"Some people think that learning mathematics is useless."
Yunnuo stood on the podium. The so-called blackboard was just an earthen wall. The so-called classroom is just a courtyard. The soldiers squatted on the ground holding guns and watching Yunnuo speak.
"I just taught you basic mathematics before, but no one understood it. I said before that I would teach you how to use steps to hit the target with perfect accuracy. Today, I will tell you this so that everyone can understand the role of mathematics in combat. It plays a huge role." Yunnuo said and wrote the word "mathematics" on the wall.
"Shooting depends on feeling and vision, but it depends on feeling. Sometimes feeling is unreliable, and there are always times when the feeling is wrong. It depends on vision. If it is more than fifty meters, it is already inaccurate. How can you achieve perfect accuracy?" Yun said. Nuo asked, and then he said: "It's very simple. When the bullet flies, it follows a certain trajectory, and the only thing that affects the accuracy of the bullet is the wind."
"Wind!" Yunnuo wrote this word on the wall.
Everyone has a look of disbelief on their faces.
"Platoon leader, how could the wind deflect the bullets?" a soldier said from below.
Others also nodded, no one believed that the wind could blow the bullet away.
"The deviation of the bullet caused by the wind is very subtle, and most of the time it is invisible to the eye. Of course, if a bullet only flies 20 meters, it will have no impact at all, but if the bullet flies 100 meters or even 200 meters, it will be blown away. It has to deviate by one, two centimeters or even eight or nine centimeters, and these few centimeters are likely to miss the enemy's head." Yunnuo said: "The reason why I can hit ten out of ten shots is that, in addition to aiming, I also calculated the impact of wind speed on the bullet. Flight trajectory effects.¡±
When he said this, there was a lot of discussion below. When he was taking mathematics before, someone asked him why he wanted to learn mathematics. Yunnuo didn't say this. He just said that if you learn mathematics well, you can shoot well. But this time, Fenghe explained The relationship between bullets is refreshing for them.
In fact, if you think about Yunnuo's words carefully, these soldiers have also experienced it. They are also veterans who have carried guns for many years. When shooting, especially from long distances, they can always feel some deviations. In the past, they never thought about the wind. But they felt that their aim was not accurate, but after Jing Yunnuo said this today, they also felt that it made sense.
"First of all, we know the effect of wind on bullets, but in fact, it is not enough to know that wind affects bullets. We must also know how wind affects bullets. Different winds affect how far bullets deviate, at different distances, and at different wind speeds. How far will the impact be?" Yunnuo continued, raising a series of questions.
"Next, we are going to use mathematics to calculate. This is why I want you to learn mathematics." Yunnuo said.
Afterwards, he gave an example to illustrate the formula he had learned before. For this group of warriors, he could not say anything too profound and could only use simple words, preferably examples.
In the following class, Yunnuo broke down a basic formula into simple addition, subtraction, multiplication and division, and continued talking for an hour. Although most people did not understand what this formula represented, they were able to use it initially.
Just when Yunnuo was getting immersed in his speech, suddenly, gunshots rang out outside, and just after the gunshots came people's shouts.
There was a sudden commotion among the soldiers in the courtyard. Yunnuo immediately threw down the chalk and ran out. He saw soldiers living in different places running in twos and threes towards the place where the gunshots were fired. Yunnuo immediately returned to the yard and shouted: "Stand up, gather, form two teams and follow me!"
Then the 20 people divided into two teams and followed Yunnuo towards the place where the gunfire rang out.
There were still sporadic gunshots on the road, and no sound of machine guns or cannons was heard. Yunnuo felt that it didn't look like the Japanese army was invading.
When they followed the sound of gunfire and ran to the camp warehouse, they discovered that the warehouse where weapons were stored had been robbed. There were several corpses of Eighth Route Army soldiers on the ground, as well as several corpses of bandits wearing cotton-padded jackets.
Dozens of people had already formed a temporary unit to hunt them down. Yunnuo thought about it and immediately took a shortcut with the sharpshooter platoon to intercept them.
The crowd launched a pursuit and chased them all the way through the woods to the edge of the river beach. They saw a few more corpses, including the Eighth Route Army and some bandits. However, most of the bandits had already run away, leaving only seven or eight who could not escape and were entangled by the Eighth Route Army. Hit.
"This is an opportunity to show off. Let's attack in three parts and destroy the enemy as quickly as possible!" Yun Nuo said, and personally led a squad of troops to chase in one direction.
When they chased across a river bank, they didn¡¯t expect that the large group of bandits who had escaped came back. Not only these, but also reinforcements from two directions, with a total number of almost three hundred people, includingMost of them are riding horses.
Immediately, about a hundred people from the first place to pursue were surrounded.
For a moment, there was a chaos of gunfire, and under the moonlight, one could only vaguely distinguish between ourselves and the enemy. Yunnuo saw that the situation suddenly became chaotic and complicated. They immediately ordered everyone to shrink and turn into a firepower point. They formed three attack formations according to the three-person attack formation they had taught before.
This is a formation commonly used by special forces in the past. One person kneels on one knee, two people stand, and three people aim at different ranges to form an attack without blind spots. This method is the best way to fight when there is no time to dig a bunker.
Soon, although there were not many people in the sharpshooter platoon, the shooting caused a lot of casualties. The bandits were riding horses and firing guns. It was very difficult and the hit rate was very low. However, the three-person combat formation formed by the sharpshooter platoon was extremely efficient. Bandits can be attacked no matter which direction they come from, so there is no difference between riding a horse and not riding a horse.
Yunnuo was directing the battle and firing at the same time. He vaguely saw a woman in black among the bandits, riding on a horse. Her fair skin was in sharp contrast to the black clothes. Her expression looked like the shepherdess he had met before.
It was somewhat clear in my mind. No wonder the shepherdess came to investigate the Eighth Route Army station. It turned out that the bandit leader planned to steal arms. Yunnuo originally wanted to use beyond visual range to kill the female bandit, but he remembered that the last time the two of them fought, he finally escaped using a relatively clumsy trick. He felt guilty, so he did not kill Muyang with one shot. The head of the black horse the woman was riding on exploded.
The shepherdess was really amazing. When the horse was beaten to death, she did not panic. Instead, she stepped on the horse's back, used Qinggong to jump up instantly, flew to another horse, and killed the horse without hesitation. The bandit on horseback kicked him down.
This neat and decisive move surprised Yunnuo.
After several battles, the bandits suffered heavy losses and had to retreat early. Yunnuo did not dare to pursue them. After all, he was blind and blind, and he could not rule out being shot to death. In the end, he could only watch the bandits retreat in disorder on horseback