第 3501747 期
4 + 2 + 3 + 7 + 5 = 21
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| 万 | 3 + 15 + 36 + 50 | = 104 → 4 |
|---|---|---|
| 千 | 6 + 21 + 38 + 57 | = 122 → 2 |
| 百 | 11 + 25 + 39 + 58 | = 133 → 3 |
| 十 | 13 + 34 + 47 + 63 | = 157 → 7 |
| 个 | 14 + 35 + 49 + 77 | = 175 → 5 |