第 3502266 期
7 + 4 + 5 = 16
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| A | 16 + 31 + 42 + 52 + 59 + 67 | = 267 → 7 |
|---|---|---|
| B | 18 + 36 + 45 + 53 + 62 + 70 | = 284 → 4 |
| C | 19 + 37 + 47 + 55 + 63 + 74 | = 295 → 5 |