Question

3. Express 81 as the sum of odd numbers.
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Answer 1

Answer:

Sum of first nine consecutive odd numbers = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81.

or

First nine consecutive odd numbers are 1, 3, 5, 7, 9, 11, 13, 15 and 17.

Sum of first nine consecutive odd numbers = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81

Answer 2

Answer:

1+3+5+7+9+11+13+15+17 = 81

Step-by-step explanation:

first nine consecutive odd numbers are 1, 3, 5, 7, 9 ,11, 13, 15 & 17.

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