Решите пж -(9.4/13+3.5/26)+6.4/13

Question

Решите пж -(9.4/13+3.5/26)+6.4/13

Answer 1

 - ( 9 4/13 + 3 5/26) + 6 4/13 =

 

   9 4/,13 + 3 5,/26 = 12 1/2

  - 12 1/2 + 6 4/13 = - 6 5/26