Question

Ex 10,11,12 dau coronita

Answer 1

10)
a) 5/3,15/4
b)2/5,7/8,8/11,31/43
c)13/13, 21/21, 6/6

11) a) 4/4, 10/10, 100/100, 17/17
b)6/2, 7/3, 19/15, 14/7
c) 3/5, 11/13,21/34, 1/4

12) mulțimea fr subunitare este
{1/3,2/3,7/11}