5\8 × 4\15,6 целых 3\4×1 целую 11\45,11\15×20 Помогите плиззз!
5/8 * 4/15 = 20/90 = 2/9 = 27/4 * 56/45 = 42/5 = 8 2/5 11/15 * 20 = 44/3 = 14 2/3