第 3500070 期
2 + 5 + 7 = 14
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| A | 4 + 18 + 25 + 45 + 50 + 70 | = 212 → 2 |
|---|---|---|
| B | 7 + 21 + 29 + 47 + 65 + 76 | = 245 → 5 |
| C | 17 + 22 + 43 + 49 + 68 + 78 | = 277 → 7 |