第 3504997 期
4 + 9 + 7 = 20
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| A | 5 + 26 + 37 + 44 + 56 + 66 | = 234 → 4 |
|---|---|---|
| B | 15 + 29 + 40 + 46 + 58 + 71 | = 259 → 9 |
| C | 22 + 33 + 43 + 52 + 61 + 76 | = 287 → 7 |