Question

without adding,find the sum (1+3+5+7+9+11+13) I want step by step explanation​

Answer 1

Answer:

1+3=4

5+7=12

9+11=20

13

Now add all this,

4+12+20+13=49

And your final answer is 49.

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Answer 2

Answer:

Step-by-step explanation:

=1+3+5+7+9+11+13

= THERE ARE TOTAL 7 ODD NUMBERS

= So, 7×7 = 49