1. Jacket and skirt 80 yuan. 2. Jacket and pants 73 yuan. 3. Skirts and pants 67 yuan, that is, two skirts, two pants and two coats 220 yuan. Then a pair of trousers, a skirt and a coat are integrated into 1 10 yuan. Then subtract 1, 2, 3 from each other by comprehensive method to get pants 30 yuan, skirt 37 yuan and coat 43 yuan ~