Найдите значение выражения: (-13,6+5,1) * 1 3/17 + (2 7/23-1 45/46) : 1 7/23

(-13,6+5,1) * 13/17 + (27/23-145/46) : 17/23 = - 9,75

-13,6+5,1 = - 8,5

- 8,5 * 13/17 = - 85/10 * 20/17 = - 85ˣ20/10ₓ17 = - 5ˣ2/1 = - 10/1 = - 10

27/23-145/46 = 53/23 - 91/46 = 53ˣ2/46 - 91/46 = 106/46 - 91/46 = 106-91/46 = 15/46

15/46 : 17/23=15/46 : 30/23 = 15/46 * 23/30 = 15ˣ23/46ₓ30 = 23/46ₓ2 = 1/2ₓ2 = 1/4 = 0,25

- 10 + 0,25 = - 9,75