Jan Hansen

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

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

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    Jan Hansen on Polynomial Quiz 6 years, 6 months ago

    Gave some feedback: Needs to be tested