Learning on 07/23/2026

思考の整理学 脳を最適化すれば能力は2倍になる 池上彰の未来予測After2040

Jul 23, 2026, 4:36:52 AM

Study time: 5 minute(s)
Today's learning: 20
Consecutive study days: 4
Difficult review: 1

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