2/5+2 4/9:(7 5/12-5 3/4):22 1/2+10•5/18)-4/5

Question

2/5+2 4/9:(7 5/12-5 3/4):22 1/2+10•5/18)-4/5

Answer 1

2/5+24/9:1/2:32*7/9-4/5=2/5+48/295-4/5=166/295-4/5=-14/59 или -0,23729