sa se efectueze: 2) 1/2*3/4+(1/2)la puerea a 2 *1/2;​

Răspuns :

[tex] \frac{1}{2} \times \frac{3}{4} + ( \frac{1}{2} ) {}^{2} \times \frac{1}{2} [/tex]

[tex] \frac{3}{8} + \frac{1}{4} \times \frac{1}{2} [/tex]

[tex] \frac{3}{8} + \frac{1}{8} [/tex]

[tex] = \frac{4}{8} [/tex]

Simplificat:

[tex] = \frac{1}{2} [/tex]