12. 8/2=4
2/3= 0,(6)7
14/3= 4,(6)7
8/9=0,(8)9
41/9= 4,(5)6
103/9= 11,(4)
56/27= 2,(074)
147/27=5,(4)
75/27= 2,(7)8
8/6= 1,(3)
31/15= 2,0(6)
34/24= 1,41(6)
41/30=1,3(6)
103/75= 1,37(3)
149/45= 3,3(1)
75/12= 6,25
13/12= 1,08(3)
31/11= 2,(81)
34/14= 2,42857143
1/18= 0,0(5)
5/12= 0,41(6)
7/30= 0,2(3)
13. 3,4= 34/10
12,01= 1201/100
24,876= 24876/1000
3,(2)= 32/10
17,5(3)= 1753/10
9,23(41)= 92341/10000
4,234561= 4234561/10000000
