The ___ property states that we can add rational numbers in any order.
commutative
The addition of rational numbers can be done in any order and the result remains the same. This is called commutative property. E.g: 2 + 3 = 3 + 2
If we add rational numbers in any order, their sum is always the same. This is stated by ___ property.
The order in which we add rational numbers always results in the same sum. This is stated by ___ property.