Question

_+_+_= 30 fill in the blanks using following no.s one no. will used at only two times;- 1,3,5,7,9,11,13,15.

Answer 1

⚪Let x, y, and z all be integers. ⚪

Then the sum of three odd numbers can be written as:

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⚫ (2x−1)+(2y−1)+(2z−1) =2(x+y+z-1)−1.⚫




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odd + odd + odd = (odd + odd)
+ odd = even + odd = odd


(and 30 is even number)



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Answer 2

Answer:

The sum of three odd numbers always equal to an odd number.

So

The possible answers are:

$=> (11+9) + (3) + (7) = 30$

$=> (13+18) + (1) + (1) = 30$

$=> (7+9) + (1) + (13) = 30$