Learning on 04/27/2026
計算問題Apr 27, 2026, 1:43:37 AM
Study time: 40 seconds
Today's learning: 2
New: 1
Consecutive study days: 5
Difficult review: 1
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Apr 27, 2026, 1:43:37 AM
Study time: 40 seconds
Today's learning: 2
New: 1
Consecutive study days: 5
Difficult review: 1