算術の基礎

It has survived long enough for the Copyright to expire and the book to enter the public domain. A public domain book is one that was never subject to Copyright or whose legal Copyright term has expired. Whether a book is in the public domain may vary country to country. Public domain books are our gateways to the past, representing a wealth of history, cultuie and knowledge that's often difficult to discover. Marks, notations and other maiginalia present in the original volume will appear in this flle - a reminder of this book's long journcy from the publisher to a library and finally to you. Usage guidelines Google is proud to partner with libraries to digitize public domain materials and make them widely accessible. Public domain books belong to the public and we are merely their custodians. Nevertheless, this work is expensive, so in order to keep providing this resource, we have taken Steps to prcvcnt abuse by commercial parties, including placing lechnical restrictions on automated querying. We also ask that you: + Refrain fivm automated querying Do not send automated queries of any sort to Google's System: If you are conducting research on machinc translation, optical character recognition or other areas where access to a laige amount of text is helpful, please contact us. We encouragc the use of public domain materials for these purposes and may be able to help. at |http: //books. google .com/l Google at |http: //books. google .com/l Google IJber dieses Buch Dies ist ein digitales Exemplar eines Buches, das seit Generationen in den Realen der Bibliotheken aufbewahrt wurde, bevor es von Google im Rahmen eines Projekts, mit dem die Bücher dieser Welt online verfugbar gemacht werden sollen, sorgfältig gescannt wurde. Das Buch hat das Uiheberrecht überdauert und kann nun öffentlich zugänglich gemacht werden.…