第 3503818 期
9 + 4 + 2 = 15
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| A | 2 + 10 + 20 + 44 + 53 + 70 | = 199 → 9 |
|---|---|---|
| B | 3 + 14 + 23 + 50 + 62 + 72 | = 224 → 4 |
| C | 9 + 16 + 26 + 52 + 66 + 73 | = 242 → 2 |