Question

K2. Give an example to prove that whole numbers are
not associative under subtraction.​

Answer 1

Answer:

3-(4-5)

$is not \: equal \: to$

(3-4) -5

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Answer 2

Explanation:

If ‘a’, ‘b’, and ‘c’ are the three whole numbers then,

a − (b − c) ≠ (a − b) − c.

Consider the case when a = 8, b = 5 and c = 2,

8 − (5 − 2) = 5 ≠ (8 − 5) − 2 = 1.

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