| Giver | Post | Date |
| daria1os | If the sum of the first n positive integers is S, what is the sum of | 22-Jul-2020 |
| kz00000 | If the sum of the first n positive integers is S, what is the sum of | 22-Jul-2020 |
| LukasBrendel | If the sum of the first n positive integers is S, what is the sum of | 18-Jul-2020 |
| neo92 | If the sum of the first n positive integers is S, what is the sum of | 10-Jul-2020 |
| tempesttexas | If the sum of the first n positive integers is S, what is the sum of | 09-Jul-2020 |
| viren72 | If the sum of the first n positive integers is S, what is the sum of | 02-Jul-2020 |
| CAF | If the sum of the first n positive integers is S, what is the sum of | 27-Jun-2020 |
| math19 | If the sum of the first n positive integers is S, what is the sum of | 22-Jun-2020 |
| angelyngrc | If the sum of the first n positive integers is S, what is the sum of | 21-Jun-2020 |
| Ilmisrael | If the sum of the first n positive integers is S, what is the sum of | 27-May-2020 |
| Himanshu999 | If the sum of the first n positive integers is S, what is the sum of | 23-May-2020 |
| Nelli | If the sum of the first n positive integers is S, what is the sum of | 15-Apr-2020 |
| soninhabbm | If the sum of the first n positive integers is S, what is the sum of | 20-Mar-2020 |
| Rebaz | If the sum of the first n positive integers is S, what is the sum of | 14-Mar-2020 |
| Shinobu09 | If the sum of the first n positive integers is S, what is the sum of | 21-Feb-2020 |
| marianaoribeiro | If the sum of the first n positive integers is S, what is the sum of | 16-Nov-2019 |
| provo44 | If the sum of the first n positive integers is S, what is the sum of | 28-Sep-2019 |
| Anant0596 | If the sum of the first n positive integers is S, what is the sum of | 29-Jul-2019 |
| anusaini | If the sum of the first n positive integers is S, what is the sum of | 24-May-2019 |
| Anuragjn | If the sum of the first n positive integers is S, what is the sum of | 21-May-2019 |
| gvaldez35 | If the sum of the first n positive integers is S, what is the sum of | 04-May-2019 |
| mariossid | If the sum of the first n positive integers is S, what is the sum of | 10-Apr-2019 |
| ak31 | If the sum of the first n positive integers is S, what is the sum of | 15-Feb-2019 |
| ssafan | If the sum of the first n positive integers is S, what is the sum of | 11-Feb-2019 |
| Geviredd83 | If the sum of the first n positive integers is S, what is the sum of | 01-Feb-2019 |
| sw999826 | If the sum of the first n positive integers is S, what is the sum of | 01-Jan-2019 |
| Nick0505 | If the sum of the first n positive integers is S, what is the sum of | 21-Dec-2018 |
| lethanhquyen166 | If the sum of the first n positive integers is S, what is the sum of | 20-Dec-2018 |
| janeyywang | If the sum of the first n positive integers is S, what is the sum of | 13-Dec-2018 |
| EzequielLasVelez | If the sum of the first n positive integers is S, what is the sum of | 30-Nov-2018 |
