Question

(1/1/2)-(1/1/2+1) cine ma ajuta

Answer 1

$\frac{ \frac{1}{1} }{2} - ( \frac{ \frac{1}{1} }{2} + 1) = \frac{ \frac{1}{1} }{2} - \frac{ \frac{1}{1} }{2} - 1 = 0 - 1 = - 1$