| Giver | Post | Date |
| federig | A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}. | 13-Jul-2016 |
| das.sushmit | A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}. | 01-Apr-2015 |
| pdkgearbox | A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}. | 23-Mar-2015 |
| andireiter | A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}. | 10-Mar-2015 |
| TheDelhiDude | A set of nonnegative integers consists of {x, x + 7, 2x, y, y + 5}. | 16-Sep-2014 |