Question

(-7 supra 3) · (+2 supra 5) · (-30 supra 7)

Answer 1

*Raspuns* - 4
Explicatie Pas cu Pas:

Answer 2

Răspuns:

$- \frac{7}{2} \times \frac{2}{5} \times - \frac{30}{7} = - \frac{14}{15} \times - \frac{30}{7} = - 2 \times - 2 = + 4$