Unformatted text preview: = – 5
The sign “minus” before 5 shows, that this number is negative.
Series of negative integers continue endlessly:
–1, –2, –3, – 4, –5 …
Fractional negative numbers appear, for example, when the greater number is subtracted from the smaller one: Also it is possible to say, that fractional negative numbers appear as a result division of a negative integer by a
natural number: - 13 ÷ 7 = − 13
7 Positive numbers in contrast to negative numbers (integers and fractional ones), are the numbers, considered
in arithmetic (also integers and fractional ones).
Rational numbers – positive and negative numbers (integers and fractional ones) and zero. The more exact
definition of rational numbers, adopted in mathematics, is the following:
Math I - 17 - Feel free to pass this on to your friends, but please don’t post it online.
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A number is called rational, if it may be presented as a simple, not a cancelled fraction of the shape: m /n,
where m and n are integers. Irrational numbers
Irrational numbers in contrast to rational numbers (see above) aren’t presented as a vulgar, not cancelled
fraction of the shape: m / n , where m and n are integers. There are numbers of a new kind, which...
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- Spring '13
- Elementary arithmetic, college entrance exam