What is the sum of 9?

Answer 1

the answer is 1+9 =10,2+9=1.The trick is one less and add an one in frount of it.

Answer 2

The sum of 9 refers to the result obtained when adding 9 to one or more numbers. In this case, if we are only considering the number 9 itself, the sum would be 9. If we are adding 9 to another number, the sum would depend on the value of the other number.

Answer 3

Oh honey, the sum of 9 is 9. It's as simple as that. Math doesn't always have to be a headache, sometimes it's just a walk in the park.

Answer 4

140

Answer 5

9.