Задача Задача №691561
А
А
-4/9 + (-3 2/7) + 4/9 = -3 7/9 + (-23/7) + 4/9 = -3 7/9 - 23/7 + 4/9 = -58/9 - 23/7 + 4/9 = - 290/63 + 207/63 + 28/63 = - 55/63
-4/9 + (-3 2/7) + 4/9 = -3 7/9 + (-23/7) + 4/9 = -3 7/9 - 23/7 + 4/9 = -58/9 - 23/7 + 4/9 = - 290/63 + 207/63 + 28/63 = - 55/63
