7. / bara reprezinta linia de fractie
a) 3/4 <1 3/3=1 5/6<1 4/3>1 9/8>1 6/7<1
b) 6/5>1 5/4>1 6/6=1 7/8<1 7/7=1 8/7>1
8.
nr: 3,5,7,9,10
a)supraunitare
5/3, 7/5, 9/7, 10/9, 7/3, 9/3, 9/5, 10/3, 10/5, 10/7,
b) subunitare, numarator 6, numitorul <10
6/7, 6/8, 6/9,
