by Carine Girac-Marinier, Collectif · Larousse · tapa dura · ISBN 9782035894687
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«130 Problèmes de robinets qui fuient et de trains qui se croisent» is a book of arithmetic problems by Carine Girac-Marinier and Collectif, in hardcover.
It brings together 130 arithmetic problems from the preparation manuals for the French Certificat d'études of 1923, with classic statements about leaking faucets, trains crossing each other, conversion of old units, rule of three, percentages, interest, fractions, volumes, areas, mass, capacity and density.
Published by Larousse in 2013, the book has 64 pages, is in French and belongs to the Cahiers Pierre Larousse collection.
For fans of numerical puzzles and recreational mathematics, and for those who want to discover how calculation was practiced in French schools at the beginning of the 20th century.
