Deutsch, ganz von vorn
Sprachlabor
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Five drills, interleaved on purpose: hear it, say it, type it, choose the article, fill the gap. Every card is scheduled by your own forgetting curve, not by a lesson order.

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ae oe ue ss are accepted too
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See the memory map
1–4 answer⏎ check / continueSpace replayS say itD look up
Your memory, measured

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Last 30 days
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Recall accuracy
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The leeches
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Why the lab is built this way

Five findings, five mechanics

Nothing here is decoration. Each drill exists because the memory literature says the easy version does not stick.

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Back to the lab