第 3498473 期
4 + 7 + 8 + 4 + 7 = 30
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| 万 | 1 + 31 + 45 + 67 | = 144 → 4 |
|---|---|---|
| 千 | 7 + 36 + 53 + 71 | = 167 → 7 |
| 百 | 11 + 38 + 55 + 74 | = 178 → 8 |
| 十 | 15 + 41 + 62 + 76 | = 194 → 4 |
| 个 | 23 + 44 + 63 + 77 | = 207 → 7 |