Question

ache a fração geratriz das dízimas
a)0,3333...
b)8,121212...
c)2,332332...
d)4,11111...​

Answer 1

resposta:

a)x=0,3333...

10.x=10.0,3333...

10x=3,3333...

-x=0,3333...

9X=3

X=

$\frac{3}{9}$

b)X=8,121212...

100.X=100.8,121212...

100X=812,121212...

-X=8,121212...

99X=804

x=

$\frac{804}{99}$