Fractional numbers

Published December 11, 2016

Fractional numbers

With the emergence of representations of integers, there were representations of parts of the whole subject. With the advent of natural number n, there was the concept of fractional numbers of the form 1/n. Historically fractional numbers occurred during the measurement. Fractions naturally arises in the solution of problems on the division of property, land measuring, calculating time...

Normal weight

Published February 12, 2017

Normal weight

If we assume that all human bodies are geometrically similar (this is true only on average), it is possible to calculate the normal weight people for their growth. The average height is 1.75 meters, and the average weight - 65 kilograms. Resulting in these calculations results may seem surprising to many...

Systematic approach

Published April 19, 2017

Systematic approach

We often hear that a systematic approach is needed to perform a task. But, what is this in terms of mathematics? First, let's look at some examples of using the systematic approach. What the weather will be tomorrow? To answer this question, thousands of people work and even more devices. The information of local weather stations, sometimes located in the most remote corners of the country...

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