Question

(V++3+30
5. Find the sum by short method:
(i) 6784 + 9999
(ii) 10578 + 99999
6. For any whole numbers a, b, c, is it true that (a + b) + c = a + (c + b)? Give reasons.​

Answer 1

Answer:

5) 1)16783

2)110577

6)it is true, this is associative property

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