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Introducing integers
ОглавлениеThe set of integers arises when you try to subtract a larger number from a smaller one. For example, . The set of integers includes the following:
The counting numbers
Zero
The negative counting numbers
Here’s a partial list of the integers:
Like the counting numbers, the integers are closed under addition and multiplication. Similarly, when you subtract one integer from another, the answer is always an integer. That is, the integers are also closed under subtraction.