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Bocatudor43
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Calculati lg 1/2+ lg 2/3 + ... + lg 999/1000

Răspuns :

lg(1/2)+lg(2/3)+...+lg(999/1000)=lg((1/2)*(2/3)*...*(999/1000))=lg(1/1000)=lg(10^(-3))=-3lg(10)=-3.

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