第 3499018 期
9 + 4 + 7 = 20
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| A | 6 + 25 + 33 + 49 + 64 + 72 | = 249 → 9 |
|---|---|---|
| B | 15 + 31 + 37 + 51 + 65 + 75 | = 274 → 4 |
| C | 19 + 32 + 38 + 58 + 71 + 79 | = 297 → 7 |