A Treatise on Arithmetic: In Which the Principles of the Science Are Inductively Developed, Combining Written Arithmetic With Copious Mental Exercises (Classic Reprint) - Hardcover

Frederick Augustus Porter Barnard

9780656182329: A Treatise on Arithmetic: In Which the Principles of the Science Are Inductively Developed, Combining Written Arithmetic With Copious Mental Exercises (Classic Reprint)

Hardcover

ISBN 10: 0656182326 ISBN 13: 9780656182329

Publisher: Forgotten Books, 2020

Excerpt from A Treatise on Arithmetic: In Which the Principles of the Science Are Inductively Developed, Combining Written Arithmetic With Copious Mental Exercises

Written Addition. Proof of Addition, Ossaavarrons on Anmrron, Various modes of Proof, Proof by.nines, Do. B threes, mult lication, - Mental Exercises, Multiplication Table, written-multiplication, when the multiplier is under 12, When the multiplier is a composite number, When it is more than 12 and not composite, To mul l by a unit with cyphers annexed, Fauna. Our, When there are cyphers on the right of either or both factors, To multiply in any case, Proof of ultiplication, Tables of Wsronrs, Masseuse, 6m. Sterling Mcavo'y, Avoirdupois eight, Tans and Tam, Troy Weight, Coinage, - Trial of Gold and Silver, Apothecaries' Weight.

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