第 3499449 期
4 + 2 + 7 = 13
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| A | 5 + 16 + 32 + 36 + 54 + 71 | = 214 → 4 |
|---|---|---|
| B | 6 + 18 + 33 + 38 + 55 + 72 | = 222 → 2 |
| C | 10 + 24 + 35 + 52 + 62 + 74 | = 257 → 7 |