Пошаговое объяснение:
- 4 1/7 + 2 1/4 * (- 11 2/9 + 5,4 : 9/35) = 17 целых 6/71) 5,4 : 9/35 = 54/10 : 9/35 = 54/10 * 35/9 = (6*7)/(2*1) = 42/2 = 212) - 11 2/9 + 21 = 21 - 11 2/9 = 20 9/9 - 11 2/9 = 9 7/93) 2 1/4 * 9 7/9 = 9/4 * 88/9 = 88/4 = 224) - 4 1/7 + 22 = 22 - 4 1/7 = 21 7/7 - 4 1/7 = 17 6/7
