7 целых 322/351
Пошаговое объяснение:
(1 2\13 +2 2\3)•2 1\9-12•(1\3)^4 =
(15/13 + 8/3)*(19/9) - 12*(1/81) =
(45/39 + 104/39)*(19/9) - 4/27 =
149/39 * 19/9 - 4/27 = (149*19)/351 - 52/351 = (2831 - 52)/351 = 2779/351 =
7 целых 322/351
Пошаговое объяснение:
(1 2\13 +2 2\3)•2 1\9-12•(1\3)^4 =
(15/13 + 8/3)*(19/9) - 12*(1/81) =
(45/39 + 104/39)*(19/9) - 4/27 =
149/39 * 19/9 - 4/27 = (149*19)/351 - 52/351 = (2831 - 52)/351 = 2779/351 =
7 целых 322/351