1) 3/8*(-4)+5 = 3,5
2) 5/9:(-1/3)-7 = -8 2/3
3) 2/5*(-3)-4/5 = -2
4) 5/12:1/4-(-1/3) = 2
5) (1/2)*(-4)-5 = -7
6) 4/9:(-2/3)+1 = 1/3
1) 3/8*(-4)+5 = 3,5
2) 5/9:(-1/3)-7 = -8 2/3
3) 2/5*(-3)-4/5 = -2
4) 5/12:1/4-(-1/3) = 2
5) (1/2)*(-4)-5 = -7
6) 4/9:(-2/3)+1 = 1/3