0,5*(-1,5)*1 1/3*(-0,1)= 0,6*(-1/6)*(+4/9)*5/12= (+1)+(-8)= (+1)*(-8)= -5/6-(-0.9)= (-3)*(-5)= (-3)+(-5)= -1 1/3*0,75=
1. 0.275 2. 0.01851852 3. -7 4. -8 5. 1.73 6. 15 7. -8 8. -2.75