第 3498747 期
2 + 6 + 4 = 12
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| A | 10 + 18 + 21 + 41 + 49 + 63 | = 202 → 2 |
|---|---|---|
| B | 11 + 19 + 25 + 44 + 52 + 65 | = 216 → 6 |
| C | 12 + 20 + 28 + 46 + 57 + 71 | = 234 → 4 |