Question

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Answer 1

Răspuns:

$\frac{2}{3} - \frac{2}{3} \times \frac{1}{4} - \frac{3}{4} \\ = \frac{8}{12} - \frac{2}{12} - \frac{9}{12}$

$= - \frac{3}{12} \\ = - \frac{1}{4}$