第 3502406 期
4 + 5 + 3 = 12
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| A | 5 + 17 + 33 + 50 + 62 + 67 | = 234 → 4 |
|---|---|---|
| B | 7 + 23 + 38 + 51 + 63 + 73 | = 255 → 5 |
| C | 15 + 31 + 40 + 57 + 65 + 75 | = 283 → 3 |