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[x]数学記号の読み方と解説 Part1 [≒] - YouTube
![[x]数学記号の読み方と解説 Part1 [≒] - YouTube](dl2.html?q=%E2%89%92JOY%E3%83%BB%E5%A4%A7%E8%A5%BF%E8%91%B5+%E4%BD%93%E8%AA%BF%E4%B8%8D%E8%89%AF%E3%81%AE%E3%81%9F%E3%82%81%E6%B4%BB%E5%8B%95%E4%BC%91%E6%AD%A2&p=3&k=1&h=&w=)