(5 2/9-35/6)*9/25-4/25=?
(5 2/9 - 3 5/6) * 9/25 - 4/25 = 17/50 1) 5 2/9 - 3 5/6 = 5 4/18 - 3 15/18 = 4 22/18 - 3 15/18 = 1 7/18 2) 1 7/18 * 9/25 = 25/18 * 9/25 = 1/2 3) 1/2 - 4/25 = 25/50 - 8/50 = 17/50
спасибо большое!!!!!!!!!!!!!