-1 1/6-8*(-0,25); (-2/3+2):(-1/3); 2/9*(-3)-0,4;

1) = -1 1/6 + 2=5/62) = 1 1/3 : (-1/3)= 4/3 * (- 3)= -43)= - 2/3 - 4/10= - 20/30- 12/30= -32/30= - 16/15= - 1 1/15