第 3506808 期
5 + 7 + 3 = 15
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| A | 2 + 8 + 16 + 30 + 42 + 67 | = 165 → 5 |
|---|---|---|
| B | 3 + 12 + 23 + 36 + 47 + 76 | = 197 → 7 |
| C | 6 + 13 + 26 + 38 + 61 + 79 | = 223 → 3 |