1) (1/4 - 2/3)*(4/5 - 2/15)*(-3/5) 2) (1/6 - 5/9)*(1/2 - 3/7)*7целых 1/5 3) (5/6 -...

Question

1) (1/4 - 2/3)*(4/5 - 2/15)*(-3/5)

2) (1/6 - 5/9)*(1/2 - 3/7)*7целых 1/5

3) (5/6 - 2/3)*(7/8 - 1/2)*(-4)

Answer 1

1) (1/4 - 2/3)*(4/5 - 2/15)*(-3/5)=-5/12*10/15*(-3/5)=1/6

2) (1/6 - 5/9)*(1/2 - 3/7)*7целых 1/5=-7/18*1/14*36/5=-1/5

3) (5/6 - 2/3)*(7/8 - 1/2)*(-4)=1/6*3/8*(-4)=-1/4