Question

without adding ,find the sum 1+3+5+7+9

Answer 1

Answer:

5+3+1=9+9=18+7=25

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Answer 2

Answer:

25

Step-by-step explanation:

sum of consecutive odd numbers= n^2( n is the number of odd numbers given in question)

1+3+5+7+9 n = 5

1+3+5+7+9 = 5^2=25

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