Question

(a) (6 + 7) + 1 = 6 + (7 + 1)
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Answer 1

HEYA ❣️

(6+7)+1=6+(7+1)

13+1=6+8

14=14

HENCE, VERIFIED.

Answer 2

(6+7)+1=13+1=14

6+(7+1)=6+8=14

IT IS ASSOCIATIVE LAW OF ADDITION

HENCE PROVED