Question

(3/8:2/7×5/9):(5/8×4/24)×1 1/7=?
Помогите

Answer 1

(3/8:2/7*5/9):(5/8*4/24)*1 1/7=(3/8*7/2*5/9):(5/8*4/24)*8/7=(1/8*7/2*5/3):(5/8*1/6)*8/7=35/48:5/48*8/7=35/48*48/5*8/7=7*8/7=8.