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15 .11.2012г

15 .11.2012г. Классная работа. Распределительное свойство. Устная работа. 25*4=. 125*8=. 50*2=. 25*8=. 125*23*8=. 46*2*50=. =. S= 5*3+3*4. S=(5+3)*4. А. В. 4см. D. C. 5 см. 3см. Распределительное свойство:. ( a+b ) *c=a* c+b *c.

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15 .11.2012г

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  1. 15 .11.2012г Классная работа. Распределительное свойство

  2. Устная работа 25*4= 125*8= 50*2= 25*8= 125*23*8= 46*2*50=

  3. = S= 5*3+3*4 S=(5+3)*4 А В 4см D C 5см 3см

  4. Распределительное свойство: (a+b)*c=a*c+b*c

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