Решите -6 1/5: (3 2/5-1 1/3) и -3 2/3*1 1/2-1 2/3*1 1/2

-6 1/5:(3 2/5-1 1/3)=-3
3 2/5-1 1/3=17/5-4/3=51/15-20/15=31/15
-6 1/5:31/15=-31/5*15/31=-3

-3 2/3*1 1/2-1 2/3*1 1/2=1 1/2(-3 2/3-1 2/3)=1 1/2*(-4 4/3)=3/2*(-16/3)=-8