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calculeaza a=(a-b)×(a+c)×(a-c)(a+b) pentru: a=11/3 , b=1/2 , c=2/5

Răspuns :

Răspuns:

a= ( 11/3-1/2)x (11/3+2/5)x(11/3-2/5)(11/3+1/2)