Question

Encontre as dizimas periódicas de:
a)0,333333….
b)1,444444….
c)2,525252….
d) – 1,313131

Answer 1

Olá, Gabi.

a) 0,333... $=\frac39=\frac13$

b) 1,444... $=1+\frac49=\frac{9+4}9=\frac{13}9$

c) 2,525252... $=2+\frac{52}{99}=\frac{198+52}{99}=\frac{198+52}{99}=\frac{250}{99}$

d) -1,313131... $=-1-\frac{31}{99}=\frac{-99-31}{99}=-\frac{130}{99}$