Question

пишите пример по действям(1/4-2/3)*(4/5-2/15)*(-3/5)

Answer 1

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

Answer 2

=(3-8/12)*(12-2/15)*(-3/5)= (-5/12)(10/15)(-3/5)=-1*10*(-1)/12*5=10/60=1/6.
Ответ: 1/6