Question

For any two regional numbers a and b a + b is equal to b + a is known as

Answer 1

Answer:

Rational numbers

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Answer 2

We see this in commutative property under addition

a+b = b+a

Let's take

1) a= 1, b = 3

1+3 = 3+1

4=4

2) a=3, b=7

3+7 = 7+3

10 = 10

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