第 3502511 期
7 + 7 + 7 = 21
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| A | 8 + 14 + 27 + 49 + 54 + 65 | = 217 → 7 |
|---|---|---|
| B | 9 + 20 + 29 + 51 + 59 + 69 | = 237 → 7 |
| C | 11 + 21 + 35 + 53 + 64 + 73 | = 257 → 7 |