第 3498443 期
4 + 7 + 3 = 14
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| A | 4 + 14 + 31 + 44 + 55 + 66 | = 214 → 4 |
|---|---|---|
| B | 7 + 20 + 32 + 52 + 56 + 70 | = 237 → 7 |
| C | 8 + 23 + 37 + 53 + 63 + 79 | = 263 → 3 |