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| a | 5 | 6 | 7 | 8 | 9 |
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| b | 10 | 5 | 2 | 1 | 0 |
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| 2a+3b | 40 | 17 | 20 | 19 | 18 |
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| 4a-2b | 0 | 14 | 24 | 30 | 18 |
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