| Giver | Post | Date |
| aeon86 | Re: If, in the addition problem above, a, b, c, d, e, f, x, y, a | 08-Aug-2018 |
| dunghoang110 | Re: If, in the addition problem above, a, b, c, d, e, f, x, y, a | 28-Jan-2017 |
| manishgeorge | Re: If, in the addition problem above, a, b, c, d, e, f, x, y, a | 08-Aug-2011 |