Question

Which expression equals the sum 1+2+3+4+5+6..

Answer 1

7 * 3

7+7+7

3+3+3+3+3+3+3

2+2+2+2+2+2+2+2+2+2+1

(2*10)+1

(10*1)+11....

...and so on

Explanation:

I don't know what type of expression you are looking for