第 3500502 期
2 + 3 + 7 = 12
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| A | 9 + 22 + 36 + 46 + 66 + 73 | = 252 → 2 |
|---|---|---|
| B | 12 + 23 + 42 + 51 + 69 + 76 | = 273 → 3 |
| C | 20 + 25 + 44 + 59 + 71 + 78 | = 297 → 7 |