Question

Решить пример по действиям:
[(5 7/12-3 17/36)*1 2/3-4 1/3*3/26]*(1-9/13)=

Answer 1

Ответ:

1)6 7/12 - 3 17/36 = 6 21/36 - 3 17/36 = 3 4/36 = 3 1/9

2) 3 1/9 * 1/2 = 28/9 * 1/2 = 14/9

3) 4 1/3 : 13/20 = 13/3 * 20/13 = 20/3

4) 14/9 + 20/3 = 14/9 + 60/9 = 74/9 = 8 2/9