第 3501333 期
7 + 4 + 2 = 13
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| A | 3 + 13 + 22 + 33 + 54 + 72 | = 197 → 7 |
|---|---|---|
| B | 4 + 20 + 29 + 41 + 65 + 75 | = 234 → 4 |
| C | 8 + 21 + 31 + 44 + 70 + 78 | = 252 → 2 |