How many cards do I have to deal before I know for certain that you have a straight?If two typists can type two pages in two minutes, how many typists will it take to type 18 pages? How many days are in five million seconds? If you think these are good questions, this is the book for you! Over two hundred entertaining puzzles involving mathematical and mechanical calculations include challenges to your lateral thinking and logical reasoning. When your brain’s tired of being teased, you can consult the complete solutions.
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语言 英语 ● 格式 EPUB ● ISBN 9780486818726 ● 出版者 Dover Publications ● 发布时间 2017 ● 下载 3 时 ● 货币 EUR ● ID 5038914 ● 复制保护 Adobe DRM
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