A BOOK ATTATCHED A SEPARATE VOLUME THERETO

摘要

PURPOSE: A question book combined with an answer book is provided to enable a user to check questions and answers up and down by combining the question book with the upper side of the question book. CONSTITUTION: An answer book(2) is combined with the last page(11) of a question book(1). The answer is reversely positioned. The upper side of the question book is combined with the lower side of the answer book.