Question

(4а/2-а-а/1):а+2/а-2

Answer 1

$( \frac{4a}{2} - a - \frac{a}{1} \div a + \frac{2}{a} - 2 = (2a - a - a) \div a + \frac{2}{a} - 2 = 0 \div a + \frac{2}{a} - 2 = 0 + \frac{2}{a} - 2 = \frac{2 - 2a}{a}$