1)-1 2/3*3,4*(-2 2/17) =-5/3*17/5*(-36/17)=12
2)-28*(-3 5/12)*(-2 4/31)=-28*(-41/12)*
(-66/31)=-203 21/31
1)-1 2/3*3,4*(-2 2/17) =-5/3*17/5*(-36/17)=12
2)-28*(-3 5/12)*(-2 4/31)=-28*(-41/12)*
(-66/31)=-203 21/31