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RE: Austrian subtraction
Posted:
Oct 1, 1999 12:53 PM
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Some may find it interesting that the method demonstrated,
called the Australian method, was actually used in this country
100 years ago. It appears in some popular arithmetics, White's
Arithmetic, for one. The method was also common in Europe 200+
years ago.
Karen Dee Michalowicz
Upper School Mathematics Chair
The Langley School
McLean, VA
Adjunct Faculty, George Mason University
Fairfax, VA
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