Pig ate some peaches and went to Huaguoshan to find Wukong. The Great Sage was not at home.
The little monkeys warmly entertained Bajie and picked 100 of the most delicious peaches in the mountains. Bajie said happily, "Let's eat together!" How to eat? Counting ***30 monkeys, Bajie found a branch and drew it on the ground, and listed the formula, 100÷30=3. .. 1 Bajie pointed to the top three and said generously, "Everyone can eat three pecans. Look, the rest 1 I ate it! " The little monkeys were very grateful to Bajie. They thanked him one by one, and then each took his share.
When Wukong came back, the little monkeys told Wukong how generous Bajie was today and why he only ate a pecan. Seeing Pig's arrangement, Wukong shouted, "What a fool! I'll find him! " Haha, do you know how many peaches Bajie ate? The origin of numbers Xiaoming is a child who likes to ask questions. One day, he became interested in the numbers 0-9: Why is it called "* * * numbers"? So he went to ask his mother: "Since 0-9 is called' * * * number', it must have been invented by * * * people, mom?" Mom shook her head and said, "* * * Numbers were actually invented by Indians.
About 1500 years ago, Indians used a special word to represent numbers. There are 10 words, and you can write both strokes. Later, these figures were introduced into * * *. * * * people think these numbers are simple and practical, so they are widely used in their own countries and spread to Europe.
In this way, it gradually became the number we use today. Because * * * people have played a great role in the spread of these numbers, people are used to calling them "* * * numbers". "
Xiao Ming heard this and said, "So that's it. Mom, can this be called' making a mistake'? " Mom smiled.
Children's Song Competition The animal school held a children's song competition, with the elephant teacher as the referee. The little monkey raised his hand first and began to recite: "I can calculate carry addition, and the digits can only be added if they are aligned."
The number of digits should be aligned with the number of digits. When the number of digits exceeds ten, the number of digits should be advanced to ten. Ten digits plus one plus one can count quickly and accurately. "
As soon as the little monkey finished speaking, the puppy began to recite again: "abdication and subtraction are not difficult, just align the numbers." If the single digits are small enough, ten people can borrow one.
If ten people return, one will be ten, and if they return, one will be missing. How to reduce ten digits, ten digits will be reduced again and again. "
Everyone applauded their wonderful performance. Teacher Elephant said, "Their nursery rhymes make us understand that both carry addition and abdication subtraction should win the championship, ok?" Everyone agrees and applauds them.
The ability to sum = Long ago, the kingdom of mathematics was chaotic. The 0-9 brothers not only dominate the kingdom, but also boast of their greatest skills.
The math angel was very angry when he saw this situation. He sent three little angels to the math kingdom to establish order and avoid chaos. Three little angels came to the kingdom of mathematics, and 0-9 brothers looked at them contemptuously.
Q: "What are you three doing in the kingdom of mathematics? You are not welcome! " = Laugh and say, "We are judges sent by angels to help you govern your country. I am an equal sign, and these two are' greater than sign' and' less than sign'. Whoever they speak to is greater. Whoever they point to is small. "
When the ten brothers heard that they were judges sent by angels, they obediently obeyed the command of sum =. Since then, the mathematical kingdom has a strict order, and no one will violate it.
Bear opens a shop Bear doesn't like studying, just wants to do business, so he opens a fruit shop next to the school. Rabbit and monkey are his classmates. They have agreed to teach this lazy guy who doesn't like school.
They came to bear's fruit shop. "How much are the peaches?" Asked the little monkey.
"The first basket is 6 yuan and 3 Jin, and the second basket is 6 yuan and 2 Jin." The bear replied.
The little monkey said, "If I take 5 kilograms from two baskets, I will pay you 12 yuan, right?" The bear nodded. "That I want it all. Since 5 kg is 12 yuan, then 60 kg is 12* 12= 144 yuan, right? " "Exactly, exactly."
Said the bear. So the little monkey bought all the peaches, paid the money and left happily with the little rabbit.
When I get home at night, the bear pays the bill, which is a loss anyway. The next day, the little monkey and the little rabbit found the little bear and told him the situation. They smiled and said, "It's all because you don't study well that we came to teach you a lesson." They replenished the little money to the bear.
Bear hung his head in shame, and since then, he has been very serious in class every day. The three of them became good friends.
One day, the Tang Priest told his disciples Wukong, Bajie and Friar Sand to go to Huaguoshan to pick peaches. Soon, the three disciples came back happily after picking peaches.
Tang Priest and his disciples asked: How many peaches did each of you pick? Bajie said with a silly smile, Master, let me test you. Each of us took the same amount of money. There are less than 65,438+000 peaches in my basket. If we count three peaches, there are 1 peach left in the end.
Do the math. How many did each of us choose? Friar Sand said mysteriously, Master, I will test you, too. If there are four peaches in my basket, there is 1 left in the end.
Do the math. How many did each of us choose? Wukong smiled and said, Master, I'll test you, too. If there are five peaches in my basket, there will be 1 in the end.
Do the math. How many shall we each choose? Tang Priest quickly said the number of peaches he had picked. Do you know how many peaches each of them picked? A young man came to see Mr. Liu and introduced himself: "My name is Yu Jiang. I'm taking a tour group to Hong Kong this time. I heard that your hotel has a comfortable environment and good service. We want to stay in your hotel. "
Mr. Liu quickly said enthusiastically: "Welcome, welcome. I wonder how many people are there in your group? " "People, well, it's a big group." Mr. Liu was overjoyed: it's great to have big groups and enterprises.
As a tour guide, Yu Jiang saw Mr. Liu's mind. He said slowly, "Sir, if you can count the number of people in our group, we will stay in your hotel." "Please go ahead."
Mr Liu said confidently. "If I divide my group into four groups, one more person, and then divide each group into four, there will be one more person, and then four groups will be divided into four, there will be one more person, including me, of course. How many people are there at least? " "How much is a * *?" .
2. A short story about grade three mathematics.
When Gauss was in elementary school, once after the teacher taught addition, because the teacher wanted to have a rest, he came up with a topic for students to calculate. The title is: 1+2+3+.
..+97+98+99+ 100 = ? The teacher is thinking, now the children must start class! I used this as an excuse to go out, but Gauss stopped me! ! It turns out that Gauss has worked it out. Little friend, do you know how he did it? Gauss told everyone how he worked it out: add 1 to 100, add 100 to 1, and add two lines, that is 1+2+3+4+. ..+96+97+98+99+ 100 100+99+98+97+96+ 。
..+4+3+2+ 1 = 10 1+ 10 1+ 10 1+ 。 ... =' class1' >+10/+1+1+10 1 * * There are one hundred10/kloc-0 ...
3. A short story about mathematical knowledge
About 1500 years ago, European mathematicians did not know how to use "0".
They use Roman numerals. Roman numerals are symbols representing numbers, which are combined to represent different numbers according to certain rules.
When using this number, the number "0" is not needed. At that time, a scholar of the Roman Empire discovered the symbol "0" from Indian notation.
He found it very convenient to use "0" for mathematical operation, and he was very happy. He also introduced the Indian method of "0" to everyone. After a while, it was known by the pope at that time.
At that time, it was the Middle Ages in Europe. The power of the church was very strong, and the power of the pope far exceeded that of the emperor. The Pope was very angry. He rebuked that the sacred number was created by God, and there was no such monster as "0" in the number created by God. Anyone who wants to introduce now is blasphemous! So the Pope ordered the scholar to be arrested and tortured, and his ten fingers were tightly clamped with a clamp, so that his hand was disabled and he could no longer write with a pen.
In this way, "0" was banned by the ignorant and cruel Pope. However, although the use of "0" is forbidden, Roman mathematicians still use "0" secretly in mathematical research regardless of the ban, and still make a lot of mathematical contributions with "0".
Later, "0" was finally widely used in Europe, but Roman numerals were gradually eliminated. Do you want a math fairy tale? .
4. 10 Math Story (shortest)
Where is the one yuan?
Three people stayed in a hotel, and the price per person per day was 10 yuan. Everyone paid 10 yuan, and the total was the boss 30 yuan. Later, the boss gave a discount of 5 yuan and asked the waiter to return it to them. As a result, the waiter embezzled 2 yuan, and each of the remaining 3 yuan returned 1 yuan, which means that each person spent 9 yuan's money. Three people spent a total of * * * 27 yuan, plus 2 yuan, a corrupt waiter, spent a total of * * * 29 yuan. Where did the dollar go?
Divide apples
There are five students in Xiaomi's family Xiaomi's father wants to entertain six children with apples, but there are only five apples at home. What shall we do? I have to cut the apple, but I can't cut it into pieces. Xiaomi's father wants each apple to be cut into three pieces at most. This has become another topic: divide five apples equally among six children, and each apple is not allowed to be cut into more than three pieces.
How did Xiaomi's father do it?
Ma Xiao Hu cooked chicken
During the Spring Festival, Xiao Mahu, a professional chicken farmer, stood in the yard, counted the total number of chickens, decided to stay and gave 1/2 to the nursing home. After he sent the chicken away, he listened to 323131335323631303231363533e4b893e5b19e3/kloc-0. So I counted the chickens inside and outside the room again, and there was nothing wrong, no more, no less, just 1/2 left. Little careless and strange. What's the problem? Do you know how many chickens Xiao Mahu counted in the yard? "This article is organized by the first model essay network, and the copyright belongs to the original author and the original source. 』
How many guests came one day and Xiao Lin was washing dishes at home. Xiao Qiang saw it and asked, "Why do you wash so many bowls?" "
We have guests at home. ""How many people came? " Kobayashi said, "I don't know. I only know that each of them uses a rice bowl, two people share a soup bowl, three people share a vegetable bowl, four people share a big wine bowl, and one * * uses 15 bowl. "Do you know how many guests are here?
5. A three-minute math story
There are 25 passengers on the double-decker bus 1 floor, including me. The conductor told me that the passenger volume on the second floor is 40% of 1 building. So how many people are there in this car?
② A monkey picked 100 bananas from the forest and piled them in a pile. The monkey's house is 50 meters away from the banana pile. The monkey is going to take bananas home. He can take up to 50 bananas at a time, but the monkey is greedy. He has to eat 1 banana every time he walks. How many bananas can this monkey take home at most?
If you are asked to roll two dice 24 times and get a "double six", do you think the possibility is greater than 50%?
There are three people: A, B and C.
A said, "I have 1 brother and 3 sisters."
B said, "I have two brothers and two sisters."
C said, "I have three brothers, 1 sister."
In fact, these three people are all brothers and sisters, so how many brothers and sisters are there?
Attach answers ① and 37.
②、25
(3),/kloc-In the 7th century, Anton Gombo Chevalier de Mayer, a French aristocrat who was keen on gambling, suspected that gambling opportunities were always against him. So he wrote to mathematicians blaise pascal and Pierre de Fermat to tell them his doubts. They found that the probability of getting a double six by throwing 24 times is 35/36 to the 24th power, which is about 0.49. This means that after playing many times, it is generally a loss. Gombo's small request marks the birth of probability theory.
④、6
Please help me tell 3~5 short stories about mathematics.
1, butterfly effect meteorologist Lorenz put forward a paper entitled "Will butterflies flap their wings to cause tornadoes in taxonomic groups?" This paper discusses that if the initial condition of a system is a little worse, its result will be very unstable. He called this phenomenon "the butterfly effect".
Just like we roll the dice twice, no matter how deliberately we roll, the physical phenomena and points thrown twice are not necessarily the same. Why did Lorenz write this paper? This story happened in the winter of 196 1 2008. He operated the meteorological computer in the office as usual.
Usually, he only needs to input meteorological data such as temperature, humidity and air pressure, and the computer will calculate the possible meteorological data at the next moment according to the built-in three differential equations, thus simulating the meteorological change map. On this day, Lorenz wanted to know more about the subsequent changes of a record. He re-entered the meteorological data at a certain moment into the computer, so that the computer could calculate more subsequent results.
At that time, the speed of computer processing data was not fast enough, so he had time to have a cup of coffee and chat with his friends for a while before the results came out. An hour later, the result came out, but he was dumbfounded.
Compared with the original information, the original data is similar, and the later data is more different, just like two different pieces of information. The problem is not the computer, but the data he entered is 0.0005438+027. These subtle differences make a world of difference.
So it is impossible to accurately predict the weather for a long time. References:
Cao Cao's Gourd (Volume II)-Yuan Zhe Science Education Foundation II. The mathematical "genius" hive in animals is a strict hexagonal cylinder with a flat hexagonal opening at one end and a closed hexagonal diamond bottom at the other end, which consists of three identical diamonds.
The rhombic obtuse angle of the chassis is 109 degrees 28 minutes, and all acute angles are 70 degrees 32 minutes, which is both firm and material-saving. The honeycomb wall thickness is 0.073 mm, and the error is very small.
Red-crowned cranes always move in groups, forming a "human" shape. The angle of the herringbone is 1 10 degrees.
More accurate calculation also shows that half the angle of the herringbone-that is, the angle between each side and the direction of the crane group is 54 degrees, 44 minutes and 8 seconds! And the angle of diamond crystal is exactly 54 degrees, 44 minutes and 8 seconds! Is it a coincidence or some "tacit understanding" of nature? The spider's "gossip" net is a complex and beautiful octagonal geometric pattern, and it is difficult for people to draw a symmetrical pattern similar to a spider's net even with the compass of a ruler. In winter, when a cat sleeps, it always hugs its body into a ball. There is also mathematics in it, because the shape of the ball minimizes the surface area of the body, so it emits the least heat.
The real "genius" of mathematics is coral. Coral writes a "calendar" on its body, and "draws" 365 stripes on its wall every year, apparently one a day.
Strangely, paleontologists found that corals 350 million years ago "painted" 400 watercolors every year. Astronomers tell us that at that time, the earth only had 2 1.9 hours a day, not 365 days a year, but 400 days.
(Life Times) 3. Every piece of paper in Mobius tape has two sides and a closed curved edge. If there is a piece of paper with one side and only one side, is it possible for an ant to reach another point from any point on the paper without crossing the edge? In fact, it is possible. Just twist a piece of paper tape in half and stick both ends on it. This is the German mathematician Mobius (M? Beus. A.F 1790- 1868) was found in 1858. Since then, that kind of belt has been named after him, called Mobius belt.
With this toy, a branch of mathematical topology can flourish. 4. Mathematician's Will * * * The will of mathematician Hua Lazimi, when his wife was pregnant with their first child.
"If my dear wife gives birth to a son for me, my son will inherit two-thirds of the inheritance and my wife will get one-third; If it is a girl, my wife will inherit two-thirds of the inheritance and my daughter will get one-third. " .
Unfortunately, the mathematician died before the child was born. What happened after that made everyone more troubled. His wife gave birth to twins, and the problem happened in his will.
How to follow the mathematician's will and divide the inheritance among wife, son and daughter? 5. Matching Games One of the most common matching games is that two people play together. Put some matches on the table first, and two people take turns to take them. Each time, there can be some restrictions on the number of competitions, stipulating that the person who wins the final competition wins. Rule 1: How can we win if the number of competitions we participate in at one time is limited to at least one and at most three? For example, there are n= 15 matches on the table. Party A and Party B take turns to take it, and Party A takes it first. How should Party A lead them to win? In order to get the last one, A must leave zero matches for B at the end, so A can't leave 1 or 2 or 3 in the round before the last step, otherwise B can win all of them.
If there are four games left, then B can't win them all, so no matter how many games B wins (1 or 2 or 3), A can win all the remaining games. Similarly, if there are eight matches left on the table for B to take, no matter how B takes them, A can leave four matches after this round, and finally A must win.
As can be seen from the above analysis, A only needs to match the numbers in Table 4, 8, 12 and 16. Let B get it, and A will be a shoo-in.
Therefore, if the original number of matches on the table is 15, A should take three matches. (∫ 15-3 = 12) What if the original matching number on the table is 18? Then A should take 2 pieces first (∵ 18-2= 16).
Rule 2: If the number of matches taken at one time is limited to 1 4, how can we win? Principle: If Party A takes it first, then every time Party A takes it, it must leave a multiple of 5 matches for Party B.. General rule: There are n matches, and you can take 1 to k matches at a time, so the number of matches left after each take of A must be a multiple of k+ 1.
Rule 3: How to limit the number of matches taken at one time to some discontinuous numbers, such as 1, 3, 7? Analysis: 1, 3, 7 are all odd numbers. Since the target is 0, and 0 is an even number, then the first person who takes it must make the number of matches on the table even, because among the even number of matches, B can't get 0 after taking 1, 3 or 7 matches, but if so, there is no guarantee that A will win.
7. The third grade mathematical short stories.
When Gauss was in elementary school, once after the teacher taught addition, because the teacher wanted to have a rest, he came up with a topic for students to calculate. The title is: 1+2+3+.
..+97+98+99+ 100 = ? The teacher is thinking, now the children must start class! I used this as an excuse to go out, but Gauss stopped me! ! It turns out that Gauss has worked it out. Little friend, do you know how he did it? Gauss told everyone how he worked it out: add 1 to 100, add 100 to 1, and add two lines, that is 1+2+3+4+. ..+96+97+98+99+ 100 100+99+98+97+96+ 。
..+4+3+2+ 1 = 10 1+ 10 1+ 10 1+ 。 ... =' class1' >+10/+1+1+10 1 * * There are one hundred10/kloc-0 ... When does the snail climb up the well? A snail accidentally fell into a dry well.
It lay at the bottom of the well and began to cry. A toad (Lai) crawled over and said to the snail in a muffled voice, "Don't cry, little brother! It's no use crying. The shaft wall is too high. If you fall here, you can only live here.
I have been here for many years, and I haven't seen the sun for a long time, let alone want to eat swan meat! The snail looked at the old and ugly toad and thought, "What a beautiful world outside the well! I can never live in a dark and cold well like it! " The snail said to the toad, "Uncle toad, I can't live here. I must climb up! " ! How deep is this well? ""Ha ha ha ..., are you kidding! The depth of this well is10m. How can you climb up with such a heavy shell at a young age? " "I am not afraid of suffering, not afraid of being tired. I can always climb out after a while every day! " The next day, the snail ate and drank enough and began to climb the wall. It kept climbing and finally climbed 5 meters at night.
The snail was very happy and thought, "At this rate, I can climb up tomorrow night." Thinking about it, it fell asleep unconsciously.
In the morning, the snail was awakened by a purr. At first glance, it turned out that Uncle Tu was still sleeping.
It was surprised: "How come I am so close to the bottom of the well?" It turned out that this snail slipped 4 meters from the borehole wall after falling asleep. The snail sighed, gritted his teeth and began to climb again.
At night, it climbed another 5 meters, but at night the snail slipped another 4 meters. Climb and climb, and finally the strong snail climbed up the well platform.
Children, guess how many days it will take a snail to climb the well platform? About 1500 years ago, European mathematicians did not know how to use "0". They use Roman numerals.
Roman numerals are symbols representing numbers, which are combined to represent different numbers according to certain rules. When using this number, the number "0" is not needed.
At that time, a scholar of the Roman Empire discovered the symbol "0" from Indian notation. He found it very convenient to use "0" for mathematical operation, and he was very happy. He also introduced the Indian method of "0" to everyone.
After a while, it was known by the pope at that time. At that time, it was the Middle Ages in Europe. The power of the church was very strong, and the power of the pope far exceeded that of the emperor.
The Pope was very angry. He rebuked that the sacred number was created by God, and there was no such monster as "0" in the number created by God. Anyone who wants to introduce now is blasphemous! So the Pope ordered the scholar to be arrested and tortured, and his ten fingers were tightly clamped with a clamp, so that his hand was disabled and he could no longer write with a pen. In this way, "0" was banned by the ignorant and cruel Pope.
However, although the use of "0" is forbidden, Roman mathematicians still use "0" secretly in mathematical research regardless of the ban, and still make a lot of mathematical contributions with "0". Later, "0" was finally widely used in Europe, but Roman numerals were gradually eliminated.
8. A short story about mathematics
A long time ago, a student in Class Two, Grade Two, violated discipline. The teacher was very angry. He wants to punish these students well.
The teacher wrote 1+2+3+ on the blackboard.
.. +99+ 100, please calculate. He wants to warn students in this way: students should be quiet.
The children are busy calculating on the slate with pencils. Only one child sat there motionless. Soon, he handed the answer of 5050 to the teacher.
The teacher was surprised. He asked the child how to calculate. The child said:1+100 =10, 2+99 = 10 1. There are 50 10 1 in a * * * which is 5050.
The teacher clapped her hands and said yes. This child is Gauss,/kloc-an outstanding German mathematician in the 9th century.
9. A short story about mathematical knowledge
About 1500 years ago, European mathematicians did not know how to use "0". They use Roman numerals. Roman numerals are symbols representing numbers, which are combined to represent different numbers according to certain rules. When using this number, the number "0" is not needed.
At that time, a scholar of the Roman Empire discovered the symbol "0" from Indian notation. He found it very convenient to use "0" for mathematical operation, and he was very happy. He also introduced the Indian method of "0" to everyone. After a while, it was known by the pope at that time. At that time, it was the Middle Ages in Europe. The power of the church was very strong, and the power of the pope far exceeded that of the emperor. The Pope was very angry. He rebuked that the sacred number was created by God, and there was no such monster as "0" in the number created by God. Anyone who wants to introduce now is blasphemous! So the Pope ordered the scholar to be arrested and tortured, and his ten fingers were tightly clamped with a clamp, so that his hand was disabled and he could no longer write with a pen. In this way, "0" was banned by the ignorant and cruel Pope.
However, although the use of "0" is forbidden, Roman mathematicians still use "0" secretly in mathematical research regardless of the ban, and still make a lot of mathematical contributions with "0". Later, "0" was finally widely used in Europe, but Roman numerals were gradually eliminated.
Do you want a math fairy tale?