More or Less Pyramids: Greater-Than / Less-Than Logic Puzzles for Teens & Adults — 130 Number Pyramid Brain Teasers in 5 Chapters, with a Technique Page, Worked Examples and Full Answers (6x9)

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More or Less Pyramids: Greater-Than / Less-Than Logic Puzzles for Teens & Adults — 130 Number Pyramid Brain Teasers in 5 Chapters, with a Technique Page, Worked Examples and Full Answers (6x9)

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More or Less Pyramids: Greater-Than / Less-Than Logic Puzzles for Teens & Adults — 130 Number Pyramid Brain Teasers in 5 Chapters, with a Technique Page, Worked Examples and Full Answers (6x9)


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EAN
  • 9798170982585

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