Increasing and Decreasing of Areas (Special Issue of the Faculty of Information Management; Studies Presented to Prof. Yoshiharu Matsumoto on his Retirement)
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概要
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This article explains how to help junior-high school students enjoy studying geometry using some card magic. Area may be increased and decreased by arranging pieces of card according to the images on either the front or back of the card. There are some interesting stories associated with this puzzzle, including 'Sunflowers Facing the Sun' and 'The UFO-Spotting Brothers.'
- 大阪経済大学の論文
- 2009-01-15
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