Question

(- 3.4 - 6.1) * 1 * 6/19 + (1 41/42 - 2 5/21) / 1 * 4/7​

Answer 1

Ответ:

$-\frac{1777}{420}$

или же

$4,23$

Answer 2

Ответ:

Пошаговое объяснение:

1) -3,4 - 6,1 = -9,5

2) -9,5 * 1 = -9,5

3) -9,5 * 6/19 = -9. 5/10 * 6/19 = -9. 1/2 * 6/19 = -19/2 * 6/19 = -6/2 = -3

4) 1. 41/42 - 2. 5/21 = 1. 41/42 - 2. 10/42 = 1. 41/42 - 1. 52/42 = 11/42

5) 11/42 : 1 = 11/42

6) 11/42 * 4/7 = 44/294 = 22/147