第 3506493 期
3 + 9 + 6 = 18
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| A | 9 + 27 + 38 + 44 + 62 + 73 | = 253 → 3 |
|---|---|---|
| B | 17 + 28 + 39 + 57 + 63 + 75 | = 279 → 9 |
| C | 22 + 32 + 42 + 61 + 71 + 78 | = 306 → 6 |