The Abacus - Tapa blanda

Dilson, Jesse

 
9780312104092: The Abacus

Sinopsis

The abacus is as useful and effecient a machine today as it was when it was first created centures ago. Whether you're an expert in the latest computer technology or you're mastering arithmetic and word problems for the first time, it won't take long to learn the basics (and even the not-so-basics) of adding, subtracting, multiplying, and dividing on this ingenious and fun-to-use mathematical tool.

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Acerca del autor

Jesse Dilson's classic text, The Abacus, was initially published nearly forty years ago.

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