Jan Hansen

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    Jan Hansen published Jan's copy of Basic algebra practice 1 month, 2 weeks ago

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    Jan Hansen on Jan's copy of Basic algebra practice 1 month, 2 weeks ago

    Gave some feedback: Ready to use

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    Jan Hansen copied Basic algebra practice to Jan's copy of Basic algebra practice 1 month, 3 weeks ago

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    Jan Hansen on Polynomial Quiz 4 years, 7 months ago

    Gave some feedback: Needs to be tested