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| unanswerable; unresolvable; unsolvable; unsolvably; unanswerably; indissolubly; insolvable; irreconcilable; irresolvable | |||
| undetachable; undissolvable | |||
| indissoluble; insoluble; nondetachable | |||
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| intractable (conflict) | |||
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| unanswerably | |||
| unlösbar: 6 phrases in 4 subjects |
| Chemistry | 2 |
| Economy | 1 |
| Technology | 2 |
| Transport | 1 |