Question

помогите срочно!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 21 балл!

Answer 1

$frac{19 * 10 - 19 * 4}{30 * 38} = frac{19 (10 - 4)}{30 * 38} = frac{19 * 6}{5 * 6 * 19 * 2} = frac{1}{5 * 2} = frac{1}{10} = 0,1$