An arithmetic mistake that everyone has made since the Romans. Fence post error

 
An arithmetic mistake that everyone has made since the Romans. Fence post error - Mathematics, Ancient Rome, The science, Longpost
An arithmetic mistake that everyone has made since the Romans. Fence post error - Mathematics, Ancient Rome, The science, Longpost
An arithmetic mistake that everyone has made since the Romans. Fence post error - Mathematics, Ancient Rome, The science, Longpost
An arithmetic mistake that everyone has made since the Romans. Fence post error - Mathematics, Ancient Rome, The science, Longpost
An arithmetic mistake that everyone has made since the Romans. Fence post error - Mathematics, Ancient Rome, The science, Longpost


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