1) (-5/8)*(-4/5)*(-3/4)*(-2/3)*(-1/2) 2) (-7/12)*(-6/7)*(-5/6)*(-4/5)+2/3 3)...

Question

1) (-5/8)*(-4/5)*(-3/4)*(-2/3)*(-1/2)
2) (-7/12)*(-6/7)*(-5/6)*(-4/5)+2/3
3) (-11/15)*(-10/11)*(-9/10)+(-7/9)*(-6/7)+4/15
ПОМОГИТЕ ПОЖАЛУЙСТА ДАЮ 59 БАЛЛОВ

Answer 1

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