8 a)
-1/2; -1/3;-3/4
b) -0,1; -0,2;-0,3
c) -0,(1); -0,(2); -0,(3)
d) -0,1(2); -0,2(1);-0,0(1)
9...direct inversele
14/10=7/5
1/2,2=1/ (22/10)=10/22=5/11
1/ (1/3)=3
calculam numarul
0,3(1)=(31-3)/90=28/90 =14/45 inversul 45/11
10 a) 1/2=2/4=4/8=10/20=100/200=0,5
b)1/3=2/6=3/9=8/24=9/27=0,(3)
c)1/6=2/12=6/36=3/18=4/24=0,1(6)
