[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-59150-en":3,"doc-seo-59150-105":29,"detail-sidebar-cat-0-en-105":90},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":11,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":13,"seo_description":14,"update_tm":27,"read_time":28},59150,13056703020460,"Valentina","https://ap-avatar.wpscdn.com/avatar/be000253dac470eee5d?_k=1778207105932848923",2,"Literature","School Arithmetics Primary Book","A public domain scan of Florian Cajori’s “School Arithmetics: Primary Book” (1914), preserved in library collections and digitized via Google Book Search. The front matter explains that public domain status can vary by country and reminds users to follow non-commercial use, avoid automated querying, retain attribution (the Google watermark), and ensure legality for their intended use. The preface outlines the book’s teaching approach using games and drill for self-activity, simplified arithmetic notation, progressive exercises, frequent reviews, and special ability-measurement tests for children.","This is a digital copy of a book that was preserved for generations on library shelves before it was carefully scanned by Google as part of a projectto make the world's books discoverable online.  \nIt 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 subjectto copyright or whose legal copyright term has expired.Whether a book is in the public domain may vary country to country.Public domain booksare our gateways to the past,representing a wealth of history,culture and knowledge that's often difficult to discover.  \nMarks,notations and other marginalia present in the original volume will appear in this file -a reminder of this book's long journey from thepublisher to a library and finally to you.  \n# Usage guidelines\n\nGoogle is proud to partner with libraries to digitize public domain materials and make them widely accessible.Public domain books belong to thepublic and we are merely their custodians.Nevertheless,this work is expensive,so in order to keep providing this resource,we have taken steps toprevent abuse by commercial parties,including placing technical restrictions on automated querying.  \nWe also ask that you:  \n+Make non-commercial use of the files We designed Google Book Search for use by individuals,and we request that you use these files forpersonal,non-commercial purposes.  \n+Refrain from automated querying Do not send automated queries of any sort to Google's system:Ifyou are conducting research on machinetranslation,optical character recognition or other areas where access to a large amount of text is helpful,please contact us.We encourage theuse of public domain materials for these purposes and may be able to help.  \n+Maintain attribution The Google “watermark”you see on each file is essential for informing people about this project and helping them findadditional materials through Google Book Search.Please do not remove it.  \n+Keep it legal Whatever your use,remember that you are responsible for ensuring that what you are doing is legal.Do not assume that justbecause we believe a book is in the public domain for users in the United States,that the work is also in the public domain for users in othercountries.Whether a book is still in copyright varies from country to country,and we can't offer guidance on whether any specific use ofany specific book is allowed.Please do not assume that a book's appearance in Google Book Search means it can be used in any manneranywhere in the world.Copyright infringement liability can be quite severe.  \n# About Google Book Search\n\nGoogle's mission is to organize the world's information and to make it universally accessible and useful.Google Book Search helps readersdiscover the world's books while helping authors and publishers reach new audiences.You can search through the full text of this book on the webat http://books.google.com/  \nTX511.2.C139sCajori,Florian,School arithmetics:primary book.Stanford University Libraries.  \n36105049284933RTHMETIC  \nPRIMARY BOOKCAJOkI  \n# SCHOOL OF EDUCATIONLIBRARY\n\nLIBRARIES  \nPRIMARY BO0K  \nTHE MACMILLAN COMPANYNEW YORK·BOSTON·CHICAGO·DALLASATLANTA·SAN FRANCISCO  \nMACMILLAN &CO.LIMTTEDLONDON·BOMBAY·CALCUTTAMELBOURNE  \nTHE MACMILLAN CO.OF CANADA,LrD.TORONTO  \nPRIMARY BO0K  \nBY  \nFLORIAN CAJORI  \nNem ork  \nTHE MACMILLAN COMPANY1914  \n4ll righta reaereed  \n3.√  \n615116  \nCoPYBIGET,1914,BY THE MACMILLAN 00MPANY.  \nSet up and electrotyped.Published June,I914.  \nPREFACE  \nTHIS Primary arithmetic presents the subjectin a way that is attractive to a pupil.Variousnumerical plays,games,and drill devices are in-troduced to encourage the pupil's self-activity.This is accomplished without sacrifice of seriousintent.Frequent reviews aid the pupil in retain-ing the facts and processes he has discovered.  \nThe technique of arithmetic is simplified inseveral cases,with the view of securing greatereconomy of effort.For instance,the quotientwhich in other works is written","cbCaitRzVXJWId2V","https://ap.wps.com/l/cbCaitRzVXJWId2V","pdf",3822249,1,313,"English","en",105,"# Usage guidelines\n## Public domain and access restrictions\n## Non-commercial use and attribution\n# About Google Book Search\n# Preface","[{\"question\":\"What rules does the document set for using the digitized public domain book?\",\"answer\":\"It requests non-commercial personal use, discourages automated querying, asks users to maintain the Google watermark attribution, and emphasizes that legality must be checked for each country and use case.\"},{\"question\":\"How does the preface describe the teaching method used in the primary arithmetic book?\",\"answer\":\"It presents arithmetic in an attractive 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