第 3501475 期
2 + 2 + 9 + 5 + 3 = 21
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| 万 | 4 + 21 + 40 + 57 | = 122 → 2 |
|---|---|---|
| 千 | 11 + 25 + 45 + 71 | = 152 → 2 |
| 百 | 13 + 26 + 46 + 74 | = 159 → 9 |
| 十 | 15 + 34 + 51 + 75 | = 175 → 5 |
| 个 | 19 + 39 + 55 + 80 | = 193 → 3 |