The earliest number in human history is a natural number (positive integer). When measuring the average in the future, it is often impossible to get accurate integer results, which leads to scores.
Use a standard quantity (unit of measurement) to measure another quantity, and only when the equivalent is accurately measured several times can the measurement result be expressed as an integer. If the quantity cannot be accurately measured several times, there are two situations:
For example, use b as a standard to measure a:
One case is that B is divided into n equal parts, and one of them is used as a new unit of measurement to measure A, which means that A contains m equal parts after B is divided into n equal parts. For example, divide B into four equal parts, and use one part of A to measure it exactly nine times. In this case, we can't use an integer to represent the result of measuring A with B, and we must introduce a new number-fraction to represent the measurement result.
On the other hand, no matter how many equal parts B is divided into, one of them can not be accurately measured as a new measure A (for example, the circumference of the same circle can be measured by the diameter of the circle). In this case, it is necessary to introduce a new number-irrational number. In integer division, when two numbers are divided, sometimes the integer quotient cannot be obtained. In order to make division always possible, it is also necessary to introduce a new number-fraction.
To sum up, the score is generated by actual measurement and average score.
Question 2: How did mathematics come into being? After the ancient Indians created the * * * number, it spread to the * * * region around the 7th century. By the 3rd century A.D./KLOC-0, the Italian mathematician Fibonacci wrote Abacus, in which he introduced the number of * * * in detail. Later, these figures spread from * * * to Europe. Europeans only know that these numbers are imported from * * * regions, so they are called * * * numbers. Later, these figures spread from Europe to all countries in the world.
* * * Numbers were introduced into China from about 13 to 14 century. Because there was a number called "Chip" in ancient China, which was convenient for writing, the number * * * was not popularized and used in time in China at that time. At the beginning of this century, with the absorption and introduction of foreign mathematical achievements in China, the number * * * began to be used slowly in China, and it has only been popularized and used in China for more than 100 years. * * * Numbers have now become the most commonly used numbers in people's study, life and communication.
Question 3: How are fractions and decimals generated? When measuring an object, it is often not an integer, so the ancients invented decimals and fractions to supplement integers.
Decimal is a special form of decimal. Fractions with denominators of 10, 100, 1000 ... can be expressed in decimals. All fractions can be expressed as decimals, except infinite acyclic decimals, all decimals can express the number of components. Irrational numbers are infinitely cyclic decimals.
A score represents the score of one number to another, or the proportion of all events in an event. Divide the whole "1" into several parts on average, and the number representing such a part or parts is called a fraction.
Question 4: How is the integral generated? Hello, Unicom's points are for corporate customers who have customer information (valid certificates and user names) and have spent more than 50 yuan for three consecutive months (except OCS package users, intelligent network users, original wireless public telephone customers and business telephone customers). Users' monthly communication consumption has reached more than 50 yuan for three consecutive months, and they are determined to be integral users from the next month. The integral object is assessed once a month. After passing the first assessment, it is determined to be an integral object. In the future, no matter whether their monthly consumption reaches 50 yuan or above, they will still be the points, and the communication fees generated in that month can still participate in the points. The integral is calculated once a month, and every product consumed 1 yuan is 1 integral, and the part that is less than 1 yuan is not integral. Every 100 integral is equivalent to RMB 1 yuan, that is, the value of each point 1 cent. The cumulative period of points is 3 years, calculated by natural year. The points generated in each period and each natural year can be accumulated continuously until the end of the third year of the period. At the end of the third year, the overdue or redeemed remaining points generated by 1 year will be cleared automatically, and then accumulated again, and so on.
I hope I can help you.
Question 5: How are numbers generated? How are scores generated?
The earliest number in human history is a natural number (positive integer). When measuring the average in the future, it is often impossible to get accurate integer results, which leads to scores.
Use a standard quantity (unit of measurement) to measure another quantity, and only when the equivalent is accurately measured several times can the measurement result be expressed as an integer. If the quantity cannot be accurately measured several times, there are two situations:
For example, use b as a standard to measure a:
One case is that B is divided into n equal parts, and one of them is used as a new unit of measurement to measure A, which means that A contains m equal parts after B is divided into n equal parts. For example, divide B into four equal parts, and use one part of A to measure it exactly nine times. In this case, we can't use an integer to represent the result of measuring A with B, and we must introduce a new number-fraction to represent the measurement result.
On the other hand, no matter how many equal parts B is divided into, one of them can not be accurately measured as a new measure A (for example, the circumference of the same circle can be measured by the diameter of the circle). In this case, it is necessary to introduce a new number-irrational number. In integer division, when two numbers are divided, sometimes the integer quotient cannot be obtained. In order to make division always possible, it is also necessary to introduce a new number-fraction.
To sum up, the score is generated by actual measurement and average score.