The winning Delaware Play 3 numbers for July 31, 1999 were: day 5-6-3; night 7-6-2.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Jul 31, 1999 | Night | 7-6-2 | 15 | 6 |
| Jul 31, 1999 | Day | 5-6-3 | 14 | 5 |
| Jul 30, 1999 | Night | 7-6-5 | 18 | 9 |
| Jul 30, 1999 | Day | 6-9-8 | 23 | 5 |
| Jul 29, 1999 | Night | 0-4-7 | 11 | 2 |
| Jul 29, 1999 | Day | 6-2-6 | 14 | 5 |
| Jul 28, 1999 | Night | 4-6-9 | 19 | 1 |
| Jul 28, 1999 | Day | 1-8-0 | 9 | 9 |
| Jul 27, 1999 | Night | 3-1-1 | 5 | 5 |
| Jul 27, 1999 | Day | 9-3-9 | 21 | 3 |
| Jul 26, 1999 | Night | 6-1-7 | 14 | 5 |
| Jul 26, 1999 | Day | 1-1-5 | 7 | 7 |
| Jul 25, 1999 | Night | 0-6-6 | 12 | 3 |