| 1 | test_divisors = ->
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| 2 | run_test [
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| 3 |
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| 4 | "divisors(12)",
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| 5 | "[1,2,3,4,6,12]",
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| 6 |
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| 7 | "divisors(-12)",
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| 8 | "[1,2,3,4,6,12]",
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| 9 |
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| 10 | "divisors(a)",
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| 11 | "[1,a]",
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| 12 |
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| 13 | "divisors(-a)",
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| 14 | "[1,a]",
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| 15 |
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| 16 | "divisors(+3*x+3)",
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| 17 | "[1,3,1+x,3+3*x]",
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| 18 |
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| 19 | "divisors(+3*x-3)",
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| 20 | "[1,3,-3+3*x,-1+x]",
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| 21 |
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| 22 | "divisors(-3*x+3)",
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| 23 | "[1,3,1-x,3-3*x]",
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| 24 |
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| 25 | "divisors(-3*x-3)",
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| 26 | "[1,3,1+x,3+3*x]",
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| 27 | ]
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