- # itangram2: http://www.matematica.br!
- title = Exercise: build a rectangle with all 7 pieces from iTangram
- shortname = Rectangle
- author = Leonidas de Oliveira Brandao
- date = 21/08/2013
- model = aGi70MZcMTScLqccRlbrsJi7EkFN
- position0 = eMEkDAiUm4iGNLdUyF001y41AYOV
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