第 3505447 期
4 + 2 + 7 = 13
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| A | 4 + 16 + 29 + 42 + 55 + 68 | = 214 → 4 |
|---|---|---|
| B | 5 + 17 + 34 + 43 + 58 + 75 | = 232 → 2 |
| C | 13 + 19 + 36 + 46 + 65 + 78 | = 257 → 7 |