Zadanie 6.
3 10/9
7 11/8
9 17/10
3 21/17
13/3
19/5
47/9
33/3
Zadanie 7.
61/9 - 3/9= 58/9 6 4/9
21/4 - 5/8= 42/8 - 5/8= 37/8= 4 5/8
3/2 - 5/9 = 27/18 - 10/18= 17/18
31/4 - 52/9= 279/36 - 208/36= 71/36= 1 35/36