第 3505367 期
2 + 3 + 7 = 12
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| A | 5 + 33 + 43 + 51 + 58 + 72 | = 262 → 2 |
|---|---|---|
| B | 8 + 36 + 45 + 52 + 59 + 73 | = 273 → 3 |
| C | 31 + 38 + 50 + 57 + 66 + 75 | = 317 → 7 |