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Robert Muller, \"The Great Book Of Math Teasers\"
Sterling | 1990 | ISBN: 0806969539 | 96 pages | Djvu | 1,5 MB
\"This collection of tricky math and logic problems includes many classic puzzlers. Readers without skills in higher mathematics will find that deduction, common sense, and concentration will enable them to answer most of the questions.... Kids will enjoy the attractive pencil drawings that appear throughout... a useful purchase.\"--Booklist.
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发表于 2011-3-10 17:47:39