Question

(1-1/9):(1/3-1/4) решение

Answer 1

1-1\9=8\9
1\3-1\4=1\12
8\9:1\12=10,2\3

Answer 2

(1-1/9):(1/3-1/4)=(9/9-1/9):(4/12-3/12)=8/9:1/12=8/9×12/1=8×12/9×1=8×4/3×1=32/3=10 целых 2/3