第 3507045 期
5 + 3 + 7 = 15
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| A | 6 + 14 + 31 + 37 + 49 + 68 | = 205 → 5 |
|---|---|---|
| B | 7 + 17 + 33 + 39 + 55 + 72 | = 223 → 3 |
| C | 12 + 20 + 36 + 48 + 64 + 77 | = 257 → 7 |