Question

indique o período das dizimas 0‚3636…=

Answer 1

  100x = 36,3636
-      x =   0,3636
--------------------------
    99x = 36

$99x = 36\\ x = \dfrac{\not{36}}{\not{99}} = \dfrac{\not{12}}{\not{33}}\ \ \boxed{\boxed{= \dfrac{4}{11}}}$

Bons estudos!