第 3498319 期
1 + 2 + 9 = 12
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| A | 12 + 24 + 42 + 50 + 61 + 72 | = 261 → 1 |
|---|---|---|
| B | 15 + 30 + 45 + 52 + 65 + 75 | = 282 → 2 |
| C | 16 + 38 + 47 + 54 + 68 + 76 | = 299 → 9 |