ISBN: 9787544445689 - 趣味数学精品译丛:密码俱乐部:用数学做加密和解密的游戏 (1 Ergebnisse)

Hardcover. Zustand: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.HardCover. Pub Date :2013-08-01 Pages: 112 Publisher: Shanghai Education Publishing House Password club: do encryption and decryption using mathematical games of the club's activities to students passwords for clues . with fun activities and narrative of language to show readers a variety of password encryption and decryption methods . The reader should have basic knowledge of high school mathematics ( and know simple English words ) . such as addition. subtraction . exponential . frequency a.Four Satisfaction guaranteed,or money back.…