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numarul [( -1/2)^3 -1]×3/4.

Răspuns :

[tex][(-\frac{1}{2})^{3}-1]*\frac{3}{4}=(-\frac{1}{8}-1)*\frac{3}{4}=(-\frac{9}{8}*\frac{3}{4})=-\frac{27}{32}[/tex]