Vendeur : liu xing, Nanjing, JS, Chine
Hardcover. Etat : 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. N° de réf. du vendeur BR075103
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