Răspuns :

EVERGREENid

Răspuns:

Salut

7/12-3/4-1/3*0,5^-2=

7/12-3/4-1/3*(1/2)^-2=

7/12-3/4-1/3*2^2=

7/12-3/4-1/3*4=

7/12-3/4-4/3=

7-9-16/12=

-18/12=

-3/2.

Evergreen

Ilieadriancosmin22id

Explicație pas cu pas:

[tex] \frac{7}{12} - \frac{3}{4} - \frac{1}{3} \times ( \frac{1}{2} ) ^{ - 2} [/tex]

[tex] \frac{7}{12} - \frac{3}{4} - \frac{1}{3} \times {2}^{2} [/tex]

[tex] \frac{7}{12} - \frac{3}{4} - \frac{4}{3} [/tex]

[tex] - \frac{3}{2} [/tex]

Coroana?

ID Alte intrebari