第 3500350 期
7 + 5 + 3 = 15
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| A | 6 + 15 + 21 + 26 + 43 + 56 | = 167 → 7 |
|---|---|---|
| B | 7 + 16 + 22 + 27 + 45 + 58 | = 175 → 5 |
| C | 13 + 18 + 25 + 35 + 47 + 75 | = 213 → 3 |