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Kategorisering af rationale og irrationale tal

Vi kan skrive ethvert rationalt tal som et forhold mellem to heltal. Vi kan derimod ikke skrive irrationale tal, som kvadratroden af 8 og pi, på samme måde. Lær om andre former, som decimaltal, som disse typer af tal kan antage. Lavet af Sal Khan.

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Forstår du engelsk? Klik her for at se flere diskussioner på Khan Academys engelske side.

Video udskrift

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