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Aflati media aritmetica a nr x si y daca:x=2^25 y=2^25,x=7^40 y=49^19

Răspuns :

(x+y)/2=(2²⁵+2²⁵)/2=2²⁵×2/2=2²⁵

(x+y)/2=(7⁴⁰+49¹⁹)/2=(7⁴⁰+7³⁸)/2=7³⁸×(7²+1)/2=7³⁸×(49+1)/2=7³⁸×50/2=
=7³⁸×25=7³⁸×5²