Given the sum of two addends and one of them, the operation of finding the other addend is called subtraction.
Subtraction is the inverse of addition.
In subtraction, the sum of two known addends is called minuend, the known addend is called subtraction, and the required addend is called difference.
For example: 7 (minuend) -3 (minuend) =4 (difference)
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