tailieunhanh - INTERNATIONAL BACCALAUREATE MATHEMATICS STANDARD LEVEL

The trick here is the three part prediction - it camouflages the simple maths going on. Say you choose X matches, the spectator chooses Y matches and you decide the difference number should be Z. Part One of your prediction is that you have more matches than them, ie XY. This is true because they took a small number of matches and you took a large number. Part Two was that you had a particular number Z more matches than them. If you chose your difference number sensibly in the first place, you should have Z to spare, leaving you with. | MATHEMATICS STANDARD LEVEL INTERNATIONAL BACCALAUREATE 3RD EDITION 3rd Imprint Series editor Fabio Cirrito Contributing author Patrick Tobin i MATHEMATICS Standard Level Copyright Patrick Tobin Key-Strokes Pty Ltd Mifasa Pty Ltd. First published in 1997 by IBID Press 2nd Edition published in 1999 by IBID Press 3rd Edition published in 2004 2nd Imprint published in 2005 by IBID Press. Reprinted 2007 Published by IBID Press Victoria. Library Catalogue Cirrito Fabio Editor. Tobin 1. Mathematics 2. International Baccalaureate. Series Title International Baccalaureate in Detail ISBN 1 876659 17 3 10-digit 978 1 876659 17 2 13-digit All rights reserved except under the conditions described in the Copyright Act 1968 of Australia and subsequent amendments. No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means without the prior permission of the publishers. While every care has been taken to trace and acknowledge copyright the publishers tender their apologies for any accidental infringement where copyright has proved untraceable. They would be pleased to come to a suitable arrangement with the rightful owner in each case. This book has been developed independently of the International Baccalaureate Organisation IBO . The text is in no way connected with or endorsed by the IBO. This publication is independently produced for use by teachers and students. Although references have been reproduced with permission of the VCAA the publication is in no way connected or endorsed by the VCAA. We also wish to thank the Incorporated Association of Registered Teachers of Victoria for granting us permission to reproduced questions from their October Examination Papers. Cover design by Adcore Creative. Published by IBID Press at For further information contact abio@ Printed by SHANNON Books Australia. ii PREFACE TO 3RD EDITION The 3rd edition of the Mathematics Standard Level text has been .