1)=8..43/83
2)=2 32/29-2 28/29=4/29
3)=3 9/9 - 8/9=3 1/9
2.(2,1-0,49:1,4)*3,6=6,3
1)1 19/83+7 24/83=8 43/83 2)3 3/29-2 28/29=1/29 3)4-1 8/9=2 1/9
