Question

Encontre a fração geratriz da dízima

4,343434

(coloquem a conta pf)​

Answer 1

$x=4,343434... \times100\\100x=434,343434...$

$-\underline{\begin{cases}100x=434,\cancel{343434...} \\x=4,\cancel{343434...}\end{cases}}$

$\mathsf{99x=430\Rightarrow\,x=\dfrac{430}{99}}$