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Obviously, there are an infinite number of ways you can classify numbers.For example, you can classify positive and negative numbers; integers and non-integers; rational and irratinoal numbers; real numbers and complex numbers.Obviously, there are an infinite number of ways you can classify numbers.For example, you can classify positive and negative numbers; integers and non-integers; rational and irratinoal numbers; real numbers and complex numbers.Obviously, there are an infinite number of ways you can classify numbers.For example, you can classify positive and negative numbers; integers and non-integers; rational and irratinoal numbers; real numbers and complex numbers.Obviously, there are an infinite number of ways you can classify numbers.For example, you can classify positive and negative numbers; integers and non-integers; rational and irratinoal numbers; real numbers and complex numbers.
The set of real numbers is the union of the set of rational and irrational numbers. But there are so many other ways to describe it. Real numbers can be constructed as Dedekind cuts of rational numbers. The set of real numbers can also be viewed as the set of equivalence classes of Cauchy sequences of rational numbers Some people like the definition, that the real numbers are all the numbers which can be expressed as decimals.
a quadrilateral or a parallelogram.
There are many different ways to divide the real number system into sub-groups. Perhaps the most obvious division is, positive numbers and negative numbers.
By using the decimal numbers, you are now using the concept of fraction. There are some situation where we can apply the fraction, for example, cooking, medicine, sewing and tailoring :)