Question

Вычислите дробь 1-1/2-1/2

Answer 1

$1- \frac{1}{2} - \frac{1}{2} =1-0,5-0,5=0$
или 
$1- \frac{1}{2} - \frac{1}{2} = \frac{2}{2} -\frac{1}{2} - \frac{1}{2} = 0$

Answer 2

1-1/2-1/2 = 1-0,5-0,5 = 0