Question

exercitiul 5 rezolvari complete. multumesc!​

Answer 1

0,(2)=2/9

0,(8)=8/9

1,(4)=14-1/9=13/9

0,(14)=14/99

0,(007)=7/999

3,(27)=327-3/99=324/99=108/33=36/11

0,5(4)=54-4/90=50/90=5/9

0,07(2)=72-7/900=65/900=13/160

0,21(02)=2102-21/9900=2081/9900

1,3(12)=1312-13/990=1299/990=433/330

2,05(7)=2057-205/900=1852/900=926/450=463/225

0,4(27)=427-4/990=423/990

1,0(21)=1021-10/990=1011/990

Succes!