Bloedgroepen

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# Bloedgroepen type <- c("A+", "A-", "B+", "B-", "O+", "O-", "AB+", "AB-") percentage <- c(34, 6, 8.5, 1.5, 38.25, 6.75, 4.25, 0.75) # Geef nu een antwoord op de vragen
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