Review
Flashcards that remember. Flip with space, grade with 1 (unsure) or 2 (known). Unsure words come back first; known words return after a widening gap. Progress stays in this browser.
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0 known0 unsure417 unseen
Flashcards that remember. Flip with space, grade with 1 (unsure) or 2 (known). Unsure words come back first; known words return after a widening gap. Progress stays in this browser.