What is 9 plus 10-?

Answer 1

21- only true legends know

Answer 2

You can easily solve simple math problems by counting by 2s then add the remainder. You can often do these in your head or counting out loud. For example:You would count by 2s::: 10, 12, 14, 16, 18 PLUS 1 equals 19.

Answer 3

The number ten plus the number nine equals the number nineteen.

Answer 4

So simply, You add a 3 and another making 6. Then you multiply it by 3 and add a 1 That makes 21! (joke)

Answer 5

9 + 10 = 19
19

Answer 6

21

Answer 7

10 + 9 = 19

Answer 8

21111111111111111111

Answer 9

21 lol