1) 11/7, 2) 1/6, 3) -5/2, 4) 4,35, 5) 9, 6) 6
Вычисления:
12/19(1-7/124-13/21) = 12/19 (1 - 7/3 - 13/21) = 12/19 (1 - 28/21 - 13/21) = 12/19 (1 - 41/21) = 12/19 (21/21 - 41/21) = 12/19 (-20/21) = -12/19 20/21 = -240/399 = -80/133
(3 - 2/7 25,8) 7/23 = 3 - 25,8 2/7 7/23 = 3 - 18 = -15
1) 11/7, 2) 1/6, 3) -5/2, 4) 4,35, 5) 9, 6) 6
Вычисления:
12/19(1-7/124-13/21) = 12/19 (1 - 7/3 - 13/21) = 12/19 (1 - 28/21 - 13/21) = 12/19 (1 - 41/21) = 12/19 (21/21 - 41/21) = 12/19 (-20/21) = -12/19 20/21 = -240/399 = -80/133
(3 - 2/7 25,8) 7/23 = 3 - 25,8 2/7 7/23 = 3 - 18 = -15