Traditional Culture Encyclopedia - Weather forecast - What is percentage handwritten newspaper?
What is percentage handwritten newspaper?
Percent is a special fraction, the denominator is 100 and the numerator is not an integer. Percent indicates that one number is a percentage of another number, indicating a ratio.
Percent is a way to express the numerical value of proportion, ratio or fraction, such as 82% for 82%, or 82/ 100, 0.82. Percentages, also called percentages or percentages, are usually not written in the form of fractions, but expressed by percent signs (%), such as 4 1%, 1% and so on.
Because the denominator of the percentage is 100, that is, 1% is the unit, so it is easy to compare. Percent only indicates the relationship between two numbers, so you can't add units after the percent sign.
Percent is a way to express the value of proportion, ratio or fraction, such as 82% for 82%, or 82/ 100, 0.82. Sum and discount represent a few tenths, such as "70%" and "30%", which represent 70/ 100 or 70% or 0.7 respectively. Therefore, the percentage cannot be followed by the unit.
Professor Shi Ningzhong pointed out that the essence of mathematics is to know the relationship between numbers (more and less) at the same time, and more abstractly, the relationship between numbers (big and small).
The relationship between two related numbers or quantities can be divided into two categories in primary school: one is the sum-difference relationship of addition and subtraction, and the other is the multiple relationship of multiplication and division. The percentage belongs to the double ratio relationship. Fractions closely related to percentages can exist as a single quantity, or they can represent the relationship between two numbers or quantities.
Percentage in daily life
The weather forecast program on TV will report the weather and precipitation probability that night and tomorrow. The probability of precipitation tonight is 20%. Macro description of the experimental object when releasing the survey results.
For example, an experiment concluded that the IQ of people who often read short messages would drop 10%. Used to calculate interest, taxes and profits. For example, the announcement issued by the central bank shows that since1October 24, the interest rates of RMB loans and deposits of financial institutions have been further lowered by 0.25 percentage points, 65,438. Among them, the one-year loan benchmark interest rate was lowered by 0.25 percentage point to 4.35%, and the one-year deposit interest rate was lowered by 0.25 percentage point to 1.5%.
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