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→The Fraction abacus
Draw your solutions as pie charts, you can use Paint, TurtleArt, Socialcalc or Gnumeric in Gnome.
Draw your solutions as pie charts, you can use Paint, TurtleArt, Socialcalc or Gnumeric in Gnome.
[[File:1on2piedraw.jpg]]
===The Caacupé abacus===
===The Caacupé abacus===