Question

Помогите пожалуйста все задания

Answer 1

1) (9*16)/(8*27) = (1*2)/(1*3) = 2/3
2) (8*28)/(35*12) = (2*4)/(5*3) = 8/15
3) (2*3*5)/(4*9*25) = (1*1*1)/(2*3*5) = 1/30
4) (7*13 - 7*2)/(35*9+35*2) = (7*(13-2))/(35*(9+2)) = (7*11)/(35*11) = 1/5