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© 2017 by PAMA Global Abacus and Mental Arithmetic Association           

                              

Abacus division tutorial video - 4 digit ÷ 2 digit

March 25, 2015

Abacus division tutorial video - 4 digit ÷ 2 digit (quotient over、digit in a divisor is equal to corresponding digits of the dividend) demonstrated by the secretary general of PAMA Global Abacus and Mental Arithmetic Association

 

 

 

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