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Bekijk Dit rapport over landelijke keuken wrappen

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Robert Recorde, The designer of the equals sign, introduced plus and minus to Britain in 1557 in The Whetstone of Witte:[14] "There be other 2 signes in often use of which the first is made thus + and betokeneth more: the other kan zijn thus made − and betokeneth lesse." https://duvidas.construfy.com.br/user/pimplecarbon2
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