Răspuns:
Explicație pas cu pas:
0,3(4)=34-3/90=31/90
0,1(14)=114-1/990=113/990
0,12(5)=125-12/900=113/900
1,31(2)=1312-131/900=1si 281/900
1,0(23)=1023-10/990=1013/990=1 si23/990
1,1(38)=1138-11/990=1127/990=137/990
2,0(07)=2007-20/990=1987/990=2 si7/990
exA
0,(4)=4/9
0,(14)=14/99
0,(124)=124/999
1,(2)=1 si23/99
1,(133)=1si 133/999
2,0(4)=2 si 4/99
0,007=7/999
