Question

Exemple de numere rationale reprezentate sub forma de fractie zecimală

Answer 1

$5,(2)=\frac{47}{9} \\ \\ 21,3(7)=\frac{2137-213}{90} =\frac{962}{45}$

Answer 2

$\frac{1}{2}=0,5\;;\;\frac{3}{4}=0,75\;;\; 10/3=3,(3)\;;\;\frac{4}7}=0,(57142)\;;\\ \\ \frac{13}{6}=2,1(6)\;;\;\frac{11}{15}=0,7(3)\;\;\;etc.$