Question

What is a addition and what is a subtraction​

Answer 1

Answer:

Addition and subtraction are two of the ways we work with numbers. We call them arithmetical operations. ... Of the four arithmetical operations on numbers, addition is the most natural. Subtraction and addition are inverse operations. For example, 6 = 4 + 2 is equivalent to 6 − 4 = 2 and also 6 − 2 = 4.

Answer 2

Step-by-step explanation:

Addition and subtraction are opposites. They basically undo each other. ... For each set of three different numbers, you can create two addition and two subtraction number facts that are related. We call these four number facts a fact family, since they're related kind of like the members of a family.