第 3506432 期
3 + 7 + 9 = 19
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| A | 6 + 13 + 21 + 32 + 39 + 62 | = 173 → 3 |
|---|---|---|
| B | 7 + 19 + 25 + 33 + 45 + 68 | = 197 → 7 |
| C | 9 + 20 + 30 + 38 + 50 + 72 | = 219 → 9 |