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exercitiul e atasat. multumesc


Exercitiul E Atasat Multumesc class=

Răspuns :

3-3/2-3/2²+…+3/2¹⁴-3/2¹5=
amplificam toate
=3•2¹5+3•2¹⁴+…+3•2-3totul/2¹5=3(2¹5+2¹⁴+…+2+1)/2¹5