Question

7. Calculează: a) ( 3- 1 supra 3)• (9 supra 8) la 2 ; b) 3 supra 4 : (3 supra 4 - 1 supra 2) - 4 supra 9

Answer 1

Răspuns:

• $\frac{3 - 1}{3} \times \frac{9}{8} = \frac{2}{3} \times \frac{9}{8} = \frac{6}{8} = \frac{3}{4}$
• a)

Answer 2

Succes in continuare :)