Question

sum of 10 odd/even no. using squaregrid

Answer 1

Step-by-step explanation:

This is because the number of digits added together is always equal to the square root of the sum.

Sum of first odd number = 1. ...

Sum of first two odd numbers = 1 + 3 = 4. ...

Sum of first three odd numbers = 1 + 3 + 5 = 9. ...

Sum of first four odd numbers = 1 + 3 + 5 + 7 = 16.

Apr 5, 2019

Answer 2

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