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80 pages • first pub 1999 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
Imagine guessing someone's age with just three simple questions, totaling up any five shopping items faster than a calculator, or changing the color of a toothbrush in a flash. You can--with these colorful math challenges. All you need are some re...
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80 pages • first pub 1999 (editions)
ISBN/UID: None
Format: Not specified
Language: English
Publisher: Not specified
Publication date: Not specified
Description
Imagine guessing someone's age with just three simple questions, totaling up any five shopping items faster than a calculator, or changing the color of a toothbrush in a flash. You can--with these colorful math challenges. All you need are some re...