The same calculation power

1. 1、 Basic training:
from the psychological characteristics of different ages of primary school students, the basic requirements of oral arithmetic are different. Low and middle grade students mainly add one or two digits. It is better for senior students to take the one digit by two digit mental arithmetic as the basic training. The specific requirement of oral arithmetic is to multiply the number of one digit and the number of ten digits of two digits, and then add the proct of multiplying the number of one digit and the number of one digit of two digits to the three digits, and quickly say the result. In primary school, this training is a sublimation training of abstract thinking of numbers. It is very beneficial to promote the development of thinking and intelligence
Second, targeted training: the main form of the number of senior primary school students has changed from integer to score. In the operation of numbers, the addition of different denominators is the most time-consuming and error prone place for students, and it is also the key and difficult point of teaching and learning
two fractions, the large number in the denominator is the multiple of the decimal. For example, "1 / 12 + 1 / 3", in this case, oral calculation is relatively easy, the method is: the big denominator is the common denominator of two denominators, as long as the small denominator is expanded by multiple until it is the same as the big number, and the denominator is expanded by several times until it is the multiple of another denominator decimal< Third, memory training

the content of senior calculation is extensive, comprehensive and comprehensive. Some common operations are often encountered in real life. Some of these operations have no specific rules of oral arithmetic and must be solved by strengthening memory training. The main contents are as follows:
1
2. The proct of the approximate value of PI 3.14 with one digit and the proct with several common numbers 12, 15, 16 and 25
3. The denominator is the decimal value of the simplest fraction of 2, 4, 5, 8, 10, 16, 20 and 25, that is, the interaction of these fractions and decimals.

2. The title of love ecation makes me think about what love is in this diverse world. With this thinking, I trudged with an Italian primary school student to explore an unknown answer. Love, like air, is always ignored by us because it is invisible every day. In fact, its meaning has been integrated into life, just like parents' love, When we are in trouble and no one supports us, it is our parents who are still with us. At night, we don't forget to tell them to go to bed early, I realize that parents all over the world have a deep love for their children. Amrico has a diary that they read and write with their parents, but now many students still have a small lock on their diary. The simplest things are most easily overlooked, just like the deep love between parents and children in this great love, which many people can't feel. If love is a travel, some people may have objections. But love has no end, Happy travel. Just like life, if we regard life as a sentence, people will do heavy work for the sake of one day's release and detachment; On the contrary, if you look at life as a tour, you will feel relaxed and enrich yourself with new things every day. Therefore, you want to go on, even put in enthusiasm, and don't care how long it will last. At this time, this feeling has been sublimated into a kind of love, a kind of love for life, I went into the life of amrico, I went into the life of amrico, and I saw how they learned, lived and loved. In the moving, I found that love contains the pursuit of life. If love is a galloping blood and a jumping heart, then I think it is a noble love for the country; Slogan & quot;, But as a person with conscience, this kind of love should be firmly embedded in our hearts. When I read the moving scenes of Italian people blowing up their legs for their country and defending their homeland, I can't help thinking that our motherland was also soaked with the blood of the Chinese people, Love is great because it is not only for indivials, but also for the dignity and emotion of the whole nation. In the ecation of love, love is compared to many things, which is true and not only these; What is love; There won't be a definite answer, but I have completed my thinking about love - love is great, infinite, great power. Doing housework for my mother this summer, the teacher left a special assignment --- to experience my parents' working life. I'm talking about summer vacation, so I can't let myself be idle. Slowly, used to do some housework, for mom and dad to share. I told my mother about my homework, and my mother also said that your teacher's idea is very good! I'll set up a job for you! And do not only once, you are teachers, a stay on the serious homework, usually do not do. You're going to give me a summer vacation this time. The first is to mop the floor. Just mop it twice. My mother didn't think this job had much weight, so I got an extra job - washing dishes. I will show my hands in the kitchen, and I will take the initiative to wash my parents' feet. I like washing dishes best. Just out of the pot of food on the plate is delicious, and we finished eating, leftovers piled up in the pool, is the resie. The next day when washing dishes, it may be not adapt to it, leftovers taste particularly bad. For this reason, I wear plastic gloves to wash the dishes, and the dishes are full of oil stains. There are also some leftovers lying lazily on the plate and thrown into the garbage can, which makes people cover their nose. I'm just looking forward to it. Wash it quickly. It looks clean on the surface. With such a reluctant mood, I washed the water once or twice. Slowly, I accepted the smell and didn't feel bad. I don't need gloves when I wash the dishes. I'm just imagining that I'm going to bathe the bowls and plates, remove the stains from them, and put on a brand new and clean look. My hands itch when I see my mother cooking. I said to my mother, "let me help you cook today." Then he rolled up his sleeve and washed his hands. I first pour the rice into a small bowl, then pour it into the pot, twist the water tap, connect a small half, and start to wash the rice by hand. After washing the rice three times like this, I pour the water, and then put the rice on the fire to make the water less than one centimeter. At this time, I began to cook. What do I do? By the way, make fish flavored shredded pork! My mother helped me prepare the carrots and asparagus, and also helped me find a small knife. I began to cut the carrots. First, I cut them into pieces, and then cut the carrots into two pieces. The same is true for asparagus and shredded meat. But the shredded meat is a little difficult to cut. When it's all ready, it's time to do it, Pour a little oil, then put the sauce in, stir fry twice, and then put the shredded meat in, stir fry twice, accidentally, my hand touched the pot, I immediately cried with pain, my mother quickly took the shovel, let me use cold water to wash my hands, I thought: cooking this thing looks very common, it is not easy to do it! This reminds me of one thing that happened last week... Last Sunday, our family had dinner early. My mother, who had been tired all day, began to wash the dishes according to the original plan. So I made up my mind to realize this wish today. Just when my mother was still washing her teeth, I had prepared a basin of hot water full of love for her early. I quietly went to her mother and said happily, "Mom, let me wash your feet today and do my filial ty.". Mother felt very confused after listening, said: "daughter, how did you suddenly grow up today and learn to be filial to your parents.". I said: "Mom, this is the result of Teacher Ecation in school. You helped me to do a lot of things before. Today it's my turn to repay you.". After listening to her mother, she said with a smile: "daughter, if you have this filial piety, your mother will be satisfied. You'd better try to do well in your study. That's the best reward for your mother.". I said, "no, I have to wash your feet myself today.". My mother saw that I was very tough and had to comply. I put down the basin, put my hand into the water, measure the temperature of the water to see if it is suitable for washing feet, feel a little hot, I added some cold water. Then help her take off her socks and start to work. From the front of her feet to the back of her feet, from the back of her feet to the soles of her feet, I gently rubbed her feet and found that there was a thick cocoon on the soles of her feet. I knew that she worked too hard for me, and I admired my mother more. After a while, I washed her feet clean, mother smile, "this is the first time I met this kind of happiness.". I immediately replied, "Mom, when I grow up, I will do more for you." In this holiday, I did a lot of housework, which proved that I grew up and learned to do housework. Although I have been exhausted, but can do housework for my mother, my heart is still sweet. O(∩_ ∩) O ha ha ~ come on! Books are the treasure house of knowledge. It makes the accumulation and development of human knowledge and culture, and makes the ignorant become erudite; It is it that constantly enriches my mind and brings infinite joy and hope to my life. When I didn't even know a word, I had an indissoluble bond with the book. When I was very young, like other children, I liked to hear my mother telling stories for me with storybooks. Unlike others, I always listen to every story three or four times before I give up. In the kindergarten, the teacher accidentally found that I could tell stories, so he took out a story book for me to read to the children. Just when the teacher was surprised that I could know so many words, she suddenly found that I had taken the book upside down and was staring at it. It turns out that these stories have been "heard" and "recited" since I was a child. With the increase of word recognition, I can finally read by myself. What a happy thing it is! Every time I was alone in a room, with delicious food, I was intoxicated with excellent works, and lost myself in the pages. That kind of happiness was incomparable to any other feeling at that time&# 57348; I'm intoxicated with literature. From 365 nights to Andersen's fairy tales, so many moving stories and kind-hearted images together shape my simple and optimistic character. From red rock to how steel is tempered, I graally realize the meaning of life and find the end result of my soul in those thousand times of indomitable struggle and countless iron soldiers“ The experience of "San Mao" makes me feel more happy in my life, and the allusion of "head hanging beam, cone stabbing stock" always urges me forward&# 57348; Graally, my interest turned to science books. From the first set of Knowledge Series "one hundred thousand whys" I came into contact with, I don't know how many mysteries I have solved and how many fresh knowledge I have learned. The next reading of "network book", "interesting physics" and so on, I can't help but put down my mind and forget to eat and sleep. It should be said that I would never have been so interested in natural science today if I hadn't read eagerly year after year and day after day&# 57348; Books are my closest friends. They give me knowledge and strength. Today, I roam in the sea of books and learning, tomorrow, I will use knowledge to create life. All this, how can we not say that it is the gift of the book - this is the accident between me and the book. Book, what a simple and ordinary eye! However, it occupies a very high position in my mind. In the long river of my memory, there are always "the story of books" in my mind. I have an indissoluble bond with books. Whenever I hold up a book with a book cover, I can't help thinking of the past... How important books are to me! If I believe that life is the first, then books must be second only to life one - ranking second. I used to cry for the book, sad for the book, that may be my attachment to the book. Whenever I look at a book "retirement", I feel extremely sad, it's like digging half of my flesh. I carefully hide the book in the bookcase, I can't bear to dig out my own flesh? From the first time I saw her, there was an inexplicable feeling in my heart: "she was predestined with me." In the days after that, I would try my best to get close to her and try to understand her. After a short time, I graally found that I had fallen in love with her deeply. Perhaps tired of the bitter and tasteless ABC, or to escape the suffocating x + y = 4, I asked her out again and again, from her fragrant title page, to a strange and fresh world. Don't be "there's gold in the book"

3.

Now the development of decentralized exchange is getting better and better, and more and more users have begun to use it. Why? Because decentralized exchanges are safe enough. Although the centralized exchange has many advantages, there have been many bitcoin theft incidents over the years, and the loss of users' assets is heavy, which makes many users start to be vigilant to the centralized exchange

the decentralized exchange can perfectly solve the security problems of the centralized exchange. Users have absolute control over their own assets, and the private key of the assets is kept in their own hands. Even if the private key of the exchange is accidentally leaked, as long as they can't get the private key of the user, they can't transfer the user's assets, which is very safe

moreover, the trading data and records of the decentralized exchange are accessible on the chain, open and transparent, and can not be tampered with. Any user can view them in real time, and the exchange cannot forge them. It solves the problem of transaction audit

therefore, if we enter the digital money market now, the decentralized exchange is a very good choice, and the technology is constantly developing and mature. Of course, we should also choose the head exchange

4. The difficulty of acquiring virtual currency per unit time is divided into different levels. For example, if a certain unit time can only acquire 1 unit of bitcoin, the number of lightcoin will be 100 units, and the proportion of the latter will be more. These are determined by the most original system parameters. It seems that the bitcoin parameter is 50 bitcoins per 10 minutes in the world, which is 50% less in every four years, that is 25. In four years, 12.5 and so on. What you get from mining is the proportion in the global calculation.

6. < UL >

the system is unstable e to high temperature. Please check if there is any problem in the heat dissipation of CPU, graphics card, memory, hard disk, motherboard, etc. When checking the above components, check whether there is a problem of false soldering of electronic components or circuits, which makes the system unstable at high temperature, and confirm again whether it is a problem of display or power supply

graphics card driver, the computer has a common feature when running software, that is, the screen resolution will be switched, if you use 1024 × 768 resolution, when running some large software, it is easy to switch to a lower resolution. If there is a problem with the driver of the graphics card, it is likely that there will be a failure when switching the resolution, resulting in the computer black screen. The problem can be solved after updating the driver of the graphics card

the version of DirectX is too low. If the version of DirectX is too low, the problem of black screen can be solved by installing the graphics card driver and the latest version of DirectX program

7.

1. Supercomputers:

usually refers to the computer composed of hundreds, thousands or even more processors, which can calculate large and complex tasks that ordinary PC and server cannot complete. Supercomputer is a kind of computer with the strongest function, the fastest computing speed and the largest storage capacity. It is an important symbol of the national scientific and technological development level and comprehensive national strength

2. Server:

refers to some high-performance computers, which can provide services through the network. Compared with ordinary computer, the stability, security, performance and other aspects are higher, so the CPU, chipset, memory, disk system, network and other hardware are different from ordinary computer

the server is the node of the network, which stores and processes 80% of the data and information on the network, and plays an important role in the network. They are high-performance computers that provide various services for client computers. Their high performance mainly includes high-speed computing power, long-time reliable operation, strong external data throughput and so on

3. Desktop:

is a kind of independent and separate computer, which has no connection with other parts. Compared with notebook and netbook, the volume is larger, and the host, display and other devices are generally relatively independent, and generally need to be placed on the computer desk or special workbench. So it's called desktop

as a very popular microcomputer, most of the machines used in homes and companies are desktop computers. The performance of desktop is better than that of laptop

4. Embedded system:

that is, embedded systems
, is an application-oriented, microprocessor-based, software and hardware tailorable special-purpose computer system, which adapts to the application system's strict requirements on function, reliability, cost, volume, power consumption, etc. It is generally composed of embedded microprocessor, peripheral hardware, embedded operating system and user's application program

extended data

computer microprocessor (CPU) takes transistor as the basic component. With the continuous improvement of processor and the acceleration of update speed, computer structure and components will also change greatly. With the development of photoelectric technology, quantum technology and biotechnology, it has a great role in promoting the development of new computers

Since 1980s, ALU and control unit (CPU) have been integrated into one integrated circuit, which is called microprocessor

the working mode of this kind of computer is very intuitive: in a clock cycle, the computer first obtains instructions and data from memory, then executes instructions, stores data, and then obtains the next instruction

this process is repeated until a termination instruction is obtained. Explained by the controller, the instruction set executed by the arithmetic unit is a well-defined and very limited set of simple instructions

The traditional computer processing information is mainly characters and numbers. In fact, people are more used to pictures, words, sounds, images and other forms of multimedia information. Multimedia technology can integrate graphics, images, audio, video and text, making the object and content of information processing closer to the real world< br />

8.

According to reports, the global supercomputing conference held in Frankfurt, Germany, on June 19 announced a new issue of the global top 500 supercomputers list. Among them, sunway Taihu Lake light appeared at the top of the global top 500 supercomputing list (issue 49). It is reported that the computing power of Sunway supercomputing in one minute is equivalent to 7.2 billion people using calculators for 32 years at the same time

According to the introction of the person in charge of the supercomputer,

the computing power of Shenwei's system in one minute is equivalent to that of 7.2 billion people in the world who have been using calculators for 32 years at the same time; If we use the mainstream laptops or personal desktops proced in 2016 as a reference, Shenwei is equivalent to more than 2 million ordinary computers