Question

Cum se face ?
$\frac{1}{2} + \frac{1}{ - 1}$
Vreau rezolvare detaliata ​

Answer 1

Raspuns:

$\frac{1}{2} + \frac{1}{ - 1}$

$\frac{1}{2} - \frac{1}{1}$

$\frac{ - 1}{2}$

$- \frac{1}{2}$

Explicație pas cu pas:

Answer 2

1/2 + (1/ -1) =

= 1/2 - 1

= (1 - 2)/2

= - 1/2