brainx national maths contest 2021

Maths fiction books can make abstract maths concepts more concrete. For example, in 'Flatland', the description of the 2D world helps in visualizing geometric shapes better. They also create interest. When reading about a character using maths to solve a problem in a story, like in 'The Number Devil', it makes maths seem less intimidating and more like an adventure.

Alright, I'm ready. 2020 National Encyclopedic Knowledge Contest Question Bank and Answer (180 questions in total) 1 What is the "Three Body" series of novels? A "The Three-Body Problem" was a science fiction series created by Liu Cixin, which included "The Three-Body Problem,""Dark Forest," and "Death Forever." B."The Three-Body Problem" was a science fiction series created by Liu Cixin, which included "The Three-Body Problem,""Dark Forest," and "Death Forever." It was one of the three representative works of Chinese science fiction. C "The Three-Body Problem" was a science fiction series created by Liu Cixin. It included "The Three-Body Problem","Dark Forest" and "Death Forever". It was one of the three representative works of Chinese science fiction. It was translated into many languages and was very popular around the world. D "The Three-Body Problem" was a science fiction series created by Liu Cixin. It included "The Three-Body Problem,""Dark Forest" and "Death Forever." It was one of the three representative works of Chinese science fiction. It had been translated into many languages and was very popular around the world. Which famous science fiction works contain the theme of "the past of Earth"? A The Three-Body Problem Series B, Wandering Earth C. Galaxy Empire Series D Dark Forest series What is the Dark Forest Theory? A. The Dark Forest Theory was a hypothesis put forward by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. B. The Dark Forest Theory was a hypothesis put forward by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. C. The Dark Forest Theory was a hypothesis put forward by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. The Dark Forest Theory was a hypothesis put forward by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. 4 What is "Da Liu Universe"? A "Big Liu Universe" was a fictional universe system created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. B."Big Liu Universe" was a fictional universe created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. "Big Liu Universe" was a fictional universe created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. D "Big Liu Universe" was a fictional universe system created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. 5 What is a "three-body civilization"? A "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. B. The "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. C. The "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. D "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. 6 What is the "three-body culture"? A "Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the Three-body civilization, its culture presented a variety and conflict, but also presented a unique charm and depth. B."Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the three-body civilization, its culture presented a variety of conflicts and also presented a unique charm and depth. C "Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the three-body civilization, its culture presented a variety of conflicts and also presented a unique charm and depth. D "Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the three-body civilization, its culture presented a variety of conflicts and also presented a unique charm and depth. What is the "three-body problem"? A "Three-Body Problem" was a scientific problem proposed by Liu Cixin. It referred to the existence of multiple civilizations in the universe. Due to factors such as competition, conflict, and cooperation, the development of civilizations was deadlocked, leading to the destruction of civilizations. B. The "three-body problem" was a scientific problem proposed by Liu Cixin. It referred to the existence of multiple civilizations in the universe. Due to factors such as competition, conflict, and cooperation, the development of civilizations was deadlocked, leading to the destruction of civilizations. C. The "Three-Body Problem" was a scientific problem proposed by Liu Cixin. It referred to the existence of multiple civilizations in the universe. Due to factors such as competition, conflict, and cooperation, the development of civilizations was deadlocked, leading to the destruction of civilizations. The "Three-Body Problem" was a scientific problem proposed by Liu Cixin. It referred to the existence of multiple civilizations in the universe. Due to factors such as competition, conflict, and cooperation, the development of civilizations was deadlocked, leading to the destruction of civilizations. 8 What is the "Dark Forest Law"? A "Dark Forest Law" was a hypothesis put forward by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. B. The "Dark Forest Law" was a hypothesis put forward by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. C. The "Dark Forest Law" was a hypothesis proposed by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. The "Dark Forest Law" was a hypothesis proposed by Liu Cixin that there were many intelligent life forms in the universe, but because they did not know each other's existence, they would try their best to remain silent to avoid being discovered and attacked. 9 What is "Da Liu Universe"? A "Big Liu Universe" was a fictional universe system created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. B."Big Liu Universe" was a fictional universe created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. "Big Liu Universe" was a fictional universe created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. D "Big Liu Universe" was a fictional universe system created by Liu Cixin, including the Earth, the Three-Body Civilization, the Dark Forest, and other elements. What is the "Three Bodies Plan"? A "Three-Body Plan" was a plan set by Liu Cixin for the Three-Body Civilization. It aimed to achieve self-redemption and peaceful coexistence of civilizations through the development of advanced technology and powerful civilization strength. The "Three-Body Plan" was a plan set by Liu Cixin for the Three-Body Civilization. It aimed to achieve self-redemption and peaceful coexistence of civilizations through the development of advanced technology and powerful civilization strength. The "Three-Body Plan" was a plan set by Liu Cixin for the Three-Body Civilization. It aimed to achieve self-redemption and peaceful coexistence of civilizations through the development of advanced technology and powerful civilization strength. The "Three-Body Plan" was a plan set by Liu Cixin for the Three-Body Civilization. It aimed to achieve self-redemption and peaceful coexistence of civilizations through the development of advanced technology and powerful civilization strength. 11 What is the "three-body culture"? A "Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the Three-body civilization, its culture presented a variety and conflict, but also presented a unique charm and depth. B."Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the three-body civilization, its culture presented a variety of conflicts and also presented a unique charm and depth. C "Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the three-body civilization, its culture presented a variety of conflicts and also presented a unique charm and depth. D "Three-body culture" was an alien culture created by Liu Cixin. Due to the complexity and contradiction of the three-body civilization, its culture presented a variety of conflicts and also presented a unique charm and depth. 12 What is a "Three-Body Civilization"? A "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. B. The "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. C. The "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. D "Three-body Civilization" was an alien civilization created by Liu Cixin. It had highly developed technology and powerful civilization strength, but due to the complexity and contradiction of its civilization development, its civilization gradually went to destruction. What is the "three-body problem"? A "Three-Body Problem" is a scientific problem proposed by Liu Cixin. It refers to the existence of multiple civilizations in the universe.

Classic test questions and answers for the 2020 National Knowledge Contest (150 questions in total) What is the Four Books and Five Classics? The Four Classics referred to the Great Learning, the Doctrine of the Meanings, the Analects of Confucius, and Mencius, while the Five Classics referred to the Book of Songs, the Book of History, the Book of Rites, the Book of Changes, and the Spring and Autumn Annals. What does "the Way of Confucius and Mencius" mean? "The Way of Confucius and Mencius" referred to the thoughts of Confucianism, including the thoughts of Confucius and Mencius. What are the main points of Confucianism? The main points of Confucianism were benevolence, righteousness, propriety, wisdom, and faith. 4. What is the main content of Da Xue in the Four Books and Five Classics? The Great Learning was mainly about how to cultivate one's moral character, manage the family, rule the country, and pacify the world. 5 What is "Five Classics Justice"? The Five Classics of Justice referred to the righteous interpretation of the Book of Songs, Book of History, Book of Rites, Book of Changes, and Spring and Autumn Annals. What does the Book of Rites mainly talk about? The Book of Rites mainly talked about etiquette, rituals, and systems. 7 What is Zhouyi? The Book of Changes was an ancient Chinese classic. It mainly talked about the changes, laws, and predictions of all things in the world. What does the Spring and Autumn Annals mainly talk about? The Spring and Autumn Annals mainly talked about the political, military, cultural, and other historical stories and characters of the various countries during the Spring and Autumn Period. 9 What is the "third pass"? The three biographies referred to Zuo Zhuan, Gongyang Zhuan and Gu Liang Zhuan. What does Zuo Zhuan mainly talk about? Zuo Zhuan mainly talked about the political, military, cultural and other historical stories and characters of the various countries during the Spring and Autumn Period. What is the Book of Songs? The Book of Songs was a collection of poems from ancient China. It included a large number of poems from the Zhou Dynasty to the Spring and Autumn Period. What does the Book of History mainly talk about? The Book of History mainly talked about the historical stories and figures of the Zhou Dynasty's politics, military, culture, and other aspects. 13 What is "Spring and Autumn Dew"? Spring and Autumn Dew was an ancient philosophical work that mainly described the thoughts and theories of the philosophers of the Spring and Autumn Period. 14 What is a "four-character ancient poem"? Four-character ancient poetry was a form of poetry in ancient China. 15 What is a quatrain? Five-character quatrains were a form of poetry in ancient China. Each sentence had five characters and a total of four sentences.

The story of Euclid is also a great maths success. He wrote 'Elements', which was a comprehensive compilation of geometrical knowledge. His work established the foundation of geometry as we know it. For over two thousand years, students have been learning from 'Elements', and it has been the basis for many further developments in mathematics and related fields like architecture and engineering.

2020 National Youth Network Information Security Knowledge Contest Question Bank and Answer (250 questions in total) What is network information security? What was its importance? A: Network information security refers to the protection of computer networks and information security systems from all kinds of attacks, intrusions, threats, interference, and destruction to ensure the security, integrity, usefulness, and confidentiality of networks and information resources. The importance of network information security is mainly reflected in the following aspects: - Protect the confidentiality of computer networks and information resources to prevent information leakage, theft, and modification; - Protect the integrity of the network and information system to ensure the integrity, accuracy and non-tamper of the data; - Protect the network and information system's reliability and ensure that the network and information resources can provide services in a timely and efficient manner; - Protect the network and information system from all kinds of network attacks and malicious software. What are the basic concepts of information security? A: The basic concepts of information security include: information security, network security, system security, data security, security policy, security control, security audit, security vulnerability, security incidents, security threats, security services, etc. What are the common types of cyberattacks? What were their characteristics? A: Common types of network attacks include:DDoS attacks, SQL injection attacks, malicious software attacks, fishing attacks, middleman attacks, etc. The characteristics of these types of attacks include: the attacker uses various means to send a large number of data requests to the target server to overload, paralyze, or leak sensitive information; the attacker disguises as a legitimate user to perform malicious operations to steal sensitive user information. What are the common network defense measures? What was their principle? A: Common network defense measures include: firewall, intrusion detection system (IDs), intrusion prevention system (IPs), security policy, security control, security audit, security vulnerability scanning, etc. The principle of these defensive measures was to analyze and filter network traffic to prevent illegal traffic from entering the network to protect the security of the network and information. 5 What is encryption technology? What was its use? A: The encryption technology refers to the technology of using a key to perform encryption and deciphering on data. Its role is to protect data from being stolen, tampered with, or destroyed by unauthorized personnel during transmission. The encryption techniques mainly included symmetrical key encryption, public key encryption, and symmetrical key encryption. 6 What is authentication technology? What was its use?

One success story could be a student who was initially struggling with algebra but through dedicated practice and the help of a great tutor, mastered it and went on to win a math competition. Another might be a person who overcame their math phobia and was able to complete a degree in engineering which requires a lot of math skills. There are also those who, by mastering math, were able to start their own successful financial consulting businesses as math is crucial in finance.

One challenge is finding the right stories that fit the maths concepts well. Not all stories can be easily adapted to teach maths. Another is that some students might focus too much on the story and miss the maths part.

It can be very effective. Stories can make abstract maths concepts more concrete and relatable for students. For example, using a story about sharing candies among friends to teach division. It engages students' interest and helps them remember better.

It makes maths more interesting. Students often find traditional maths lessons boring, but when it's presented through a story, they are more likely to pay attention.

Once upon a time, there was a mathematician who was very bad at directions. One day, he was using a map to find a place. The map had a grid system, much like the coordinate system in math. He got so confused between the x - and y - axes that he ended up walking in circles. He kept muttering about how if only life had simple equations to follow like in math, he wouldn't be lost. Eventually, he found a little girl who was really good at math. She quickly pointed out the correct way using the grid numbers on the map. The mathematician was both embarrassed and amused at the situation.