第 3506299 期
1 + 7 + 9 + 7 + 7 = 31
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| 万 | 2 + 16 + 42 + 61 | = 121 → 1 |
|---|---|---|
| 千 | 7 + 20 + 45 + 65 | = 137 → 7 |
| 百 | 8 + 24 + 48 + 69 | = 149 → 9 |
| 十 | 9 + 29 + 55 + 74 | = 167 → 7 |
| 个 | 15 + 39 + 58 + 75 | = 187 → 7 |