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13-11-2016
Mathematics

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Show that (A − B) − C is not necessarily equal to A − (B − C).

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Аноним Аноним

13-11-2016

(3-2)-1=0

3-(2-1)=2

Boom! Done

Answer Link

Аноним Аноним

13-11-2016

(A-B)-C = A-B-C

A-(B-C) = A-B+C

You can see, 1rst & 2nd equations are not equal after simplification.

Answer Link

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