Răspuns:
13) a). 2/7+5/7=7/7=1 > 6/7-4/7=2/7
b) 8/8 - 2/8 = 6/8 = 1/8+5/8 = 6/8
6/8 = 6/8
c) 5/6-2/6=3/6 < 4/6+2/6 = 6/6 = 1
d) 10/10-4/10+2/10 = 6/10+2/10 = 8/10
6/10+3/10-2/10=9/10-2/10=7/10
8/10 > 7/10
e) 4/9+2/9-1/9 = 6/9-1/9 = 5/9
5/9+3/9-6/9 = 8/9-6/9 = 2/9
5/9 > 2/9
nu stiu daca ai avut nevoie si de 12 , dar daca da , atunci o sa te ajut in comentarii :)
