The Secrets Of Sums
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'The Secrets of Sums is an abridged version of "The Awesome Arithmetricks" and "The Mean and Vulgar Bits"'--Murderous Maths website (viewed 24/10/14).
ArithmeticJuvenile literatureArithmetic, juvenile literature
'The Secrets of Sums is an abridged version of "The Awesome Arithmetricks" and "The Mean and Vulgar Bits"'--Murderous Maths website (viewed 24/10/14).