第 3498402 期
4 + 2 + 9 = 15
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| A | 2 + 8 + 14 + 31 + 43 + 56 | = 154 → 4 |
|---|---|---|
| B | 4 + 9 + 17 + 37 + 45 + 60 | = 172 → 2 |
| C | 6 + 12 + 23 + 38 + 53 + 67 | = 199 → 9 |