Question

02. Without actual addition find the sum of:
1+3+5 + 7 + 9 + 11 + 13 + 15 + 17​

Answer 1

Answer:

80

Step-by-step explanation:

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

Answer 2

Answer:

I am not sure because I do it with my mind

Step-by-step explanation:

81 will be answer

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