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Type: BOOK - Published: 2016-11-16 - Publisher: Courier Dover Publications
Multiplying my age by 6 then subtracting 6 produces the same result as subtracting 7 from my age then multiplying by 7. How old am I? On my broken calculator wi
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Type: BOOK - Published: 2017-11-15 - Publisher: Courier Dover Publications
These 300 original and full-color exercises include 3-D puzzles, chess puzzles, connections, dissections, foldings, geometrical puzzles, logic problems, matchst
Language: en
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Type: BOOK - Published: 2017-06-21 - Publisher: Courier Dover Publications
Treasury of 300 puzzles features 3D and chess puzzles, connections, dissections, foldings, geometrical and number puzzles, logic problems, matchstick puzzles, m
Language: en
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Pages: 116
Type: BOOK - Published: 2008-11-25 - Publisher: Macmillan
Not only are these puzzles fun but KenKen helps children improve concentration, logic and arithmetic skills. Children ages 9-12 have excelled in math and gained
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Pages: 358
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Twenty years before the events of #MURDERTRENDING, a group of unsuspecting teens enter an escape room challenge that turns into a deadly game.