Question

0,5:3 1/3:(-3/8)*(-5/6)

Answer 1

1/2:3*1/3:(-3/8)*(-5/6)
1/2:3*1/3:3/8*5/6
1/2*1/3*1/3:3/8*5/6
1/2*1/3*1/3*8/3*5/6
1/3*1/3*4/3*5/6
1/3*1/3*2/3*5/3
Умножаем дроби:10/81
Ответ:10/81