1.
5/21 = 0,23
7/3 = 2,(3)
13/9 = 1,(4)
100/27= 3,(703)
7/6 = 1, 1(6)
19/12 = 1,58(3)
29/15 = 1, 9(3)
37/36= 1,02(7)
2.
a)0,1=1/10
9,12=912/100
4,08=408/100
0,0012 = 12/10000
b)
5(6)= 56-5/9=51/9
0,(12)=12/99
0,(125)=125/999
4,(1)= 41-4/9= 37/9
c)
0,0(1)= 1/90
0,0(12)= 12/990
5,52(36)= 55236-552 /9900 = 54684/9900
1,5(14)=1514-15/990= 1499 /990
