Question

Give an example of 3 whole numbers which satisfies (a + b) + c = a + (b + c).​

Answer 1

Answer:

Step-by-step explanation:

(5+ 6) + 7 = 5 + (6 + 7).​

(6 + 7) + 8 = 6 + (7+ 8).​

(7 + 8) + 9 = 7 + (8 + 9).​

Answer 2

Answer :- (a + b) + c = a + (b + c)

(1+2) + 3 = 1 + ( 2+3)

3+3 = 1 + 5

6 = 6