It depends on the problem. An integer subtraction can be one number, take away another number.
Chat with our AI personalities
you should keep your attention focused on your work when you solve addition and subtraction problems because you might get confused
You should keep your attention focused on your work at all times - not just when working with addition or subtraction!
The algorithms to solve an integer programming problem are either through heuristics (such as with ant colony optimization problems), branch and bound methods, or total unimodularity, which is often used in relaxing the integer bounds of the problem (however, this is usually not optimal or even feasible).
A fraction is not an integer.
Subtraction