Question

Упрости выражение:

х-1 1/3+2,8-х-1,3=

-2 1/6-х+1,8+х-1,3=

Answer 1

х-1 1/3+2,8-х-1,3=3.8х+1/6

-2 1/6-х+1,8+х-1,3=0.8х-1 2/3

Answer 2

х-1 1/3+2,8-х-1,3=  - 4/3  + 1.5  = -4 /3  + 15/10 = -4/3 + 3/2 = (-8 +9) /6 = 1/6  

-2 1/6-х+1,8+х-1,3= -13/6 +0.5 = -13/6 + 5/10 = -13/6 + 1/2 = ( -13 + 3) /6 = - 10/6 = -5/3 = -  1  2/3